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368 Or. 705

State v. Jackson

Oregon Supreme Court

Decided November 17, 2021

Oregon Supreme Court · decided 2021-11-17

Applies OR 138 § 138.045 · OR 138 § 138.060

The order of the circuit court is affirmed · Decided 2021-11-17

                                       705

   Argued and submitted November 17, 2020, order of circuit court affirmed
                           November 17, 2021


                        STATE OF OREGON,
                              Appellant,
                                 v.
                     HOMER LEE JACKSON III,
                         aka Homer Jackson,
                       aka Homer Lee Jackson,
                             Respondent.
                    (CC 15CR46257) (SC S067622)
                                   
498 P3d 788

    Defendant was charged with the murder of four victims. DNA consistent with
defendant’s was found at the scene of each crime. Before trial, the state moved
to cross-admit the crime scene evidence, arguing that the evidence from all
four crime scenes, including the DNA evidence, was relevant to each of the four
charged crimes under the doctrine of chances. The trial court denied the motion.
The state filed a direct interlocutory appeal under ORS 138.045 to challenge
the trial court’s order. Defendant challenged this court’s jurisdiction to hear the
state’s interlocutory appeal under ORS 138.045(1)(d), which provides the state
with a right to interlocutory appeal of pretrial orders “suppressing evidence.”
Held: (1) Defendant did not demonstrate that the court clearly erred when, in
prior decisions, it had interpreted the phrase “suppressing evidence” broadly to
include a pretrial order that excludes evidence on any grounds; (2) the statistical
reasoning used by the doctrine of chances is insufficient to establish the relevance of the other crime scene evidence; instead, the doctrine’s statistical reasoning provides only an intermediate factual inference about the entire set of crime
scene evidence that must be linked to the charged crime through an additional
intermediate inference or theory of relevance; and (3) the state failed to link its
proposed use of the other crime scene evidence to the fact it wished to prove at
trial in a way that does not rely on a prohibited “bad character” inference.
    The order of the circuit court is affirmed.



    En Banc
   On appeal from an order of the Multnomah County
Circuit Court under ORS 138.045(2) and ORAP 12.07.*
   Marc D. Brown, Deputy Public Defender, Office of Public
Defense Services, Salem, argued the cause and filed the
briefs for respondent. Also on the briefs was Ernest G.
Lannet, Chief Defender, Criminal Appellate Section.
______________
   * Michael A. Greenlick, Judge.
706                                         State v. Jackson

   David B. Thompson, Assistant Attorney General, Salem,
argued the cause and filed the briefs for appellant. Also on
the briefs were Ellen F. Rosenblum, Attorney General, and
Benjamin Gutman, Solicitor General.
  NAKAMOTO, J.
  The order of the circuit court is affirmed.
  Garrett, J., concurred and filed an opinion in which
Balmer, J., joined.
Cite as 
368 Or 705
 (2021)                                  707

        NAKAMOTO, J.
         The state charged defendant with the murder of
four victims, who were killed over the span of 10 years.
DNA consistent with defendant’s was found at the scene of
each crime. Before trial, the state moved to cross-admit the
crime scene evidence, arguing that the evidence from all
four crime scenes, including the DNA evidence, was relevant to each of the four charged crimes. In support of that
argument, the state relied on the doctrine of chances, which
is, broadly speaking, the idea that repeated incidents of rare
and similar events are unlikely to be explained by coincidence or random chance. The trial court denied the state’s
motion to cross-admit the crime scene evidence.
         The state seeks direct interlocutory review of the
trial court’s order, contending that the trial court erred in
excluding the evidence from the other three crime scenes
from defendant’s trial for one of the murders. The state
initially argues (1) that the doctrine of chances supplies a
theory of relevance for the crime scene evidence concerning
the presence of defendant’s DNA near the bodies of three
other murdered women and (2) that the doctrine does not
depend on prohibited inferences about defendant’s bad character and resultant propensity to commit criminal acts. In
accordance with the Oregon Evidence Code, we initially
hold that the doctrine of chances, standing alone, is insufficient to make the other crime scene evidence relevant to any
charged crime. The doctrine of chances instead provides an
intermediate factual inference about the entire set of crime
scene evidence that must be linked to the state’s proof of a
fact material to the charged crime through a separate theory of relevance.
         In supplemental briefing, the state offers an alternative. The state argues that, even if the doctrine of chances
does not by itself supply the basis for the relevance of the
DNA crime scene evidence, that evidence nonetheless is relevant to facts in its case by articulating a chain of inferences,
ending with “defendant was the killer in each murder.” And
in the state’s view, neither the penultimate inference nor
any intermediate inference relies on prohibited “bad character” inferences, in violation of OEC 404. Keeping the state’s
708                                          State v. Jackson

articulated purpose and chain of reasoning for introducing
the DNA evidence from all four crime scenes at the forefront
and again applying requirements of the Oregon Evidence
Code, we further hold that the state, stretching the doctrine
of chances beyond its limits, fails to link its proposed use of
the other crime scene evidence to the fact it wishes to prove
at trial in a way that does not rely on a prohibited “bad character” inference. Because we reject the state’s alternative
argument as well, we affirm the trial court’s order excluding
the evidence.
                    I. BACKGROUND
        In a single indictment, the state charged defendant in 2019 with 15 counts of first-degree murder for the
deaths of four Black female victims: TH, AA, LW, and LT.
Each victim had been engaging in prostitution in northeast
Portland. One victim was a juvenile, while the other three
were young adults, aged 29 or younger. The four murders
occurred from 1983 to 1993: TH and AA were killed in 1983,
LW was killed in 1987, and LT was killed in 1993.
         Defendant’s DNA, or else DNA consistent with
defendant’s, was found at each of the four crime scenes, all
located in north or northeast Portland. TH was found partially submerged in a slough near Delta Park. Defendant’s
DNA was on a belt left near TH’s body. The state contends
that the belt belonged to TH and had been used as a ligature by her assailant. The DNA on the belt was consistent
with defendant’s DNA and approximately 1 in 1.32 million
African Americans.
        AA was found in a room inside an abandoned northeast Portland house. In that room were two burnt matches
and two cigarette butts. One cigarette butt had defendant’s
DNA on it. The odds that the DNA would match someone
other than defendant are less than 1 in 10 billion. The
other cigarette butt had DNA on it matching AA’s DNA.
Defendant’s fingerprint was also found on a cabinet door in
the same room where AA’s body was found. The cabinet door
had been removed, and AA’s bloody sock was lying against it.
        LW was found in an empty lot near a pedestrian
overpass in north Portland. Defendant’s DNA was found in
Cite as 
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 (2021)                                709

fingernail scrapings taken from LW. The odds that the DNA
would match someone other than defendant are less than
1 in 10 billion. The state offered evidence that defendant’s
DNA was the “predominant” or “major profile” from those
scrapings, meaning that there was more of defendant’s DNA
under LW’s fingernails than LW’s own DNA. According to
the state’s expert, the fact that defendant’s DNA was “predominant” suggests that defendant had contact with LW
within about five hours before her death.
         Finally, LT was found near the same pedestrian
overpass as LW, though six years later. In a manner unlike
the other victims, LT had been brutalized by her assailant.
That included a bite mark on her nipple. Forensic investigators swabbed the bite mark, which revealed a small amount
of DNA. From that small amount of DNA, investigators were
able to develop a profile that is consistent with defendant’s
DNA and the DNA of about 1 in 3,896 males.
         The state moved to cross-admit the evidence from
all the crime scenes as part of its proof for the murder
charges involving each victim. The state argued that the
“other acts evidence”—the presence of defendant’s DNA and
the similarities among the crimes—was relevant to proving
that defendant committed each charged crime. For example,
in attempting to prove that defendant had killed TH (the
charged crime), the state sought to admit evidence of the AA,
LW, and LT murders (the other crimes). And, in attempting
to prove that defendant had killed AA (the charged crime),
the state sought to admit evidence of the TH, LW, and LT
murders (the other crimes). The state made the same arguments regarding the LW and LT murders.
          The state anticipated that defendant would argue
that, as to each charged crime, his DNA ended up at the crime
scene as the result of random chance—most likely, that he
frequently employed prostitutes and, as a result, might have
had contact with the victim for reasons unrelated to murder. The state maintained that, as to each charged crime,
the DNA evidence at the other crime scenes was relevant to
rebutting that anticipated defense. According to the state,
the doctrine of chances—which it describes as “a theory of
logical relevance  that avoids OEC 404(3)’s character
710                                                      State v. Jackson

prohibition” and that “does not depend on character inference”—established that the DNA evidence at all the crime
scenes was relevant to defendant’s anticipated argument.
        Defendant opposed the motion on numerous
grounds and further argued that, because the evidence was
not cross-admissible, presenting the evidence of each crime
to the same jury would result in substantial prejudice. On
that basis, defendant moved to sever the cases for trial.
         The trial court held a three-day hearing on the
state’s motion in limine to admit “other acts” evidence and
on defendant’s motion to sever the cases. The trial court
received a copy of documents that the state had disclosed
during discovery regarding the evidence from each crime
scene described above, and the court heard testimony. To
rebut the state’s contention that the murders were very
similar and showed a modus operandi, defendant presented
testimony from a clinical and forensic psychologist.1 And
the state presented testimony directed to the doctrine of
chances from a scientist with the Oregon State Police laboratory’s DNA unit, who addressed the specific DNA evidence
found at the scenes, and from a professor of criminology.
Based on research and statistics, the professor testified that
the chances of a prostitute being murdered within any given
24-hour period is rare: 1 in 160,000. The professor also testified that the chances of a person’s DNA being present on a
given day at the scene where a murdered prostitute is found
is also rare, with the estimated chances varying depending on how often the person employs prostitutes. The state
argued that the infrequency of prostitute homicide establishes the implausibility of random chance explaining defendant’s DNA being at the scenes of four separate prostitute
homicides.
         Following the hearing, the trial court denied the
state’s motion to cross-admit the crime scene evidence on
three grounds. First, the trial court concluded that the state
had failed to establish the foundational requirements necessary to support doctrine-of-chances reasoning—namely,
    1
      The trial court rejected the state’s theory that the evidence from all the
crime scenes was cross-admissible to prove a modus operandi that identified
defendant as the killer. That issue is not on appeal.
Cite as 
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 (2021)                                                      711

that the events were sufficiently similar and sufficiently
infrequent. The trial court explained that the state’s evidence supporting its doctrine-of-chances theory “invites
jurors to convict based on speculation and conjecture.”
         Second, the trial court concluded that, even if the
state could provide the necessary evidentiary support for
the doctrine of chances, the state was misusing the doctrine.
The trial court explained that, based on this court’s case
law, the doctrine of chances may be used only to prove that
certain conduct was performed intentionally, rather than
inadvertently, citing State v. Tena, 
362 Or 514
, 
412 P3d 175
(2018). The trial court held that the state was improperly
attempting to use the doctrine to establish defendant’s identity as the murderer, rather than to prove that an act was
committed intentionally.
          Third, the trial court determined that, because the
doctrine of chances was unavailable as a matter of law, the
other crime scene evidence could be relevant to the charged
crime based only on the tendency of the other crime scene
evidence to establish defendant’s character and propensity
to commit the charged act, a theory of relevance that is
barred by OEC 404(3). The trial court concluded that the
other crime scene “evidence only has persuasive force if it
means that the defendant committed the charged acts. If
it is not admissible to prove identity, then it is inadmissible
character evidence.”
        The trial court granted defendant’s motion to sever
the cases for trial. That ruling is not at issue on appeal.2
Instead, the state seeks direct interlocutory review in this
court under ORS 138.045 to challenge the trial court’s
decision not to cross-admit the evidence from all the crime
scenes in each murder trial.
        The state contends that the trial court erred when
it denied the state’s motion to cross-admit the evidence,
arguing that the evidence from each crime scene is relevant
for nonpropensity purposes under the doctrine of chances.
In addition to opposing that argument, defendant also

    2
      In its opening brief, the state also assigned error to the trial court’s decision to sever the cases for trial but withdrew that assignment of error in its reply.
712                                            State v. Jackson

contends that this court lacks jurisdiction to resolve that
question because the trial court’s order is not appealable
under ORS 138.045. We begin with defendant’s jurisdictional argument.
                    II. JURISDICTION
          Defendant challenges this court’s jurisdiction to
hear the state’s interlocutory appeal. The right to appeal
is statutory. See State v. K. P., 
324 Or 1, 4
, 
921 P2d 380
(1996) (“[T]he right of appeal must be conferred by a statute.
Without such a statute, there is no jurisdiction to consider an
attempted appeal.” (Internal citation omitted.)). As statutory
support for its appeal, the state relies on ORS 138.045(1)(d)
(providing for interlocutory appeal to the Court of Appeals of
a pretrial order “suppressing evidence”) and ORS 138.045(2)
(providing for interlocutory appeal of an order in paragraph
(1)(d) to the Supreme Court when the defendant is charged
with murder). Together, those provisions allow the state
to seek direct interlocutory appeal to this court in murder
cases when the trial court has issued a pretrial order “suppressing evidence.” The question is whether the trial court’s
order is one that suppresses evidence.
         For decades, this court has broadly interpreted the
phrase “suppressing evidence,” as it is used in the interlocutory appeal statute, to include a pretrial order that excludes
evidence on any grounds. See State v. Hess, 
342 Or 647, 654
,
159 P3d 309
 (2007) (“The trial court has excluded evidence
that the state desires to introduce at trial. That is all that
ORS 138.060(1)(c)[, the predecessor to ORS 138.045(1)(d),]
requires.”); see also State v. Koennecke, 
274 Or 169, 172-73
,
545 P2d 127
 (1976) (holding that the state could seek interlocutory review of a trial court order excluding evidence on
nonconstitutional grounds). The state argues that the trial
court’s order constitutes “suppressing evidence,” under that
broad definition of the phrase, because the order excludes
the evidence from each crime scene for the purpose of proving defendant’s guilt as to each of the other crimes.
         Defendant does not disagree with the conclusion
that the trial court’s order in this case falls within that broad
definition. Instead, defendant argues that this court’s prior
decisions have erred in interpreting the phrase “suppressing
Cite as 
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 (2021)                                  713

evidence” so broadly. Under defendant’s argument, “suppressing evidence” is a legal term of art that has a narrower
definition than “excluding evidence.” Defendant contends
that whether an order suppresses evidence, rather than
merely excludes evidence, depends on the grounds that
the trial court relies on in concluding that the evidence
should not be presented the jury. According to defendant,
an order “suppressing evidence” refers only to a trial court’s
ruling that evidence may not be presented to the jury on
the ground that the collection of the evidence violated the
defendant’s constitutional rights. The trial court’s order in
this case would fall outside that definition because the trial
court excluded the other crime scene evidence based on the
Oregon Evidence Code, and not based on any constitutional
violations. Defendant, therefore, asks us to overrule our
prior decisions, narrowly interpret the phrase “suppressing
evidence” as it is used in the interlocutory appeal statute,
and conclude that statute does not provide the state with a
right to interlocutory review of the trial court’s order in this
case.
         The question whether to overrule one of our prior
decisions is a question of stare decisis. “[S]tare decisis is a
prudential doctrine that is defined by the competing needs
for stability and flexibility in Oregon law.” Farmers Ins. Co.
v. Mowry, 
350 Or 686, 697-98
, 
261 P3d 1
 (2011). It “requires
that we begin with the assumption that issues considered
in our prior cases are correctly decided.” Brownstone Homes
Condo. Assn. v. Brownstone Forest Hts., 
358 Or 223, 236
,
363 P3d 467
 (2015) (internal quotation marks and citation
omitted). And it “means that the party seeking to change a
precedent must assume responsibility for affirmatively persuading us that we should abandon that precedent.” State v.
Ciancanelli, 
339 Or 282, 290
, 
121 P3d 613
 (2005).
        We are not persuaded to abandon the broad interpretation that this court previously adopted. Defendant’s
argument depends on establishing that “suppressing evidence” is a narrow legal term of art. Although defendant’s
understanding of that term is consistent with its current
usage, defendant has not demonstrated that the term had
an established legal meaning in 1969, when the legislature
adopted the relevant statutory provision.
714                                            State v. Jackson

         For example, to support his narrow legal definition of the term “suppressing evidence,” defendant cites the
1979 edition of Black’s Law Dictionary as providing definitions that are consistent with his narrow interpretation.
“Suppression of evidence” is defined as “[t]he ruling of the
trial judge to the effect that evidence sought to be admitted should be excluded because it was illegally acquired.”
Black’s Law Dictionary 1291 (5th ed 1979). And “motion to
suppress” is also defined as being based on illegal, typically
unconstitutional, state action:
   “Device used to eliminate from the trial of a criminal case
   evidence which has been secured illegally, generally in violation of the Fourth Amendment (search and seizure), the
   Fifth Amendment (privilege against self incrimination), or
   the Sixth Amendment (right to assistance of counsel, right
   of confrontation etc.), of U.S. Constitution.”
Id. at 914.
         The problem for defendant is that, although those
definitions appear in the 1979 edition of Black’s Law
Dictionary, the legislature adopted the relevant statutory
provision 10 years earlier, in 1969. Or Laws 1969, ch 529,
§ 1. And it is not clear that “suppressing evidence” had that
clearly defined legal meaning at the time that the provision
was adopted. The 1968 edition of Black’s Law Dictionary
contains no definitions for the terms “suppression of evidence” and “motion to suppress.” And the term “suppress”
is defined, but it is given a broad ordinary meaning, rather
than the narrow legal meaning that defendant ascribes to
it: “To put a stop to a thing actually existing; to prohibit,
put down, to prevent, subdue, or end by force.” Black’s Law
Dictionary 1609 (4th rev ed 1968).
          Even the 1979 edition of Black’s Law Dictionary
that defendant relies on demonstrates the continuing development of the term “suppression.” Although that edition
defines “suppression of evidence” and “motion to suppress”
as excluding evidence that was illegally acquired, the definition of “suppress” suggests that the term could also be used
to describe evidence excluded on other grounds—specifically,
relevance: “To ‘suppress evidence’ is to keep it from being
used in a trial by showing that it was either gathered
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 (2021)                                 715

illegally or that it is irrelevant.” Black’s Law Dictionary at
1291 (5th ed 1979).
        No legislative history further informs our analysis.
Recordings from the legislative committee hearings are
unavailable. And the minutes from those hearings and the
documents considered by the committee members do not
illuminate what the legislature intended in referring to
“suppressing evidence.”
         As a result, although defendant’s interpretation is
plausible, defendant has not persuaded us that this court
clearly erred when it previously concluded that the phrase
“suppressing evidence,” as it is used in ORS 138.045(1)(d),
includes orders that exclude evidence on any grounds.
Because the trial court’s order at issue is a pretrial order
that excludes evidence, this court has jurisdiction to consider the state’s direct interlocutory appeal of that order.
             III.   DOCTRINE OF CHANCES
        The parties dispute whether the trial court erred
in denying the state’s motion to cross-admit the crime scene
evidence under the doctrine of chances. The parties’ arguments are framed by our prior decisions on the doctrine of
chances. Because those decisions have not always provided
clear guidance on the proper scope of the doctrine or how
it works, and because the proper focus for analysis of the
admissibility of evidence begins with the Oregon Evidence
Code, it is useful to review the relevant rules of evidence
that frame our analysis before considering our case law and
the parties’ arguments.
A.   Evidentiary Framework
          To be admissible, evidence must be relevant. See
OEC 402 (“Evidence which is not relevant is not admissible.”). “Relevant evidence” is defined as “evidence having
any tendency to make the existence of any fact that is of
consequence to the determination of the action more probable or less probable than it would be without the evidence.”
OEC 401.
        Although all admissible evidence must be relevant, not all relevant evidence is admissible. The grounds
716                                                       State v. Jackson

for excluding relevant evidence include a bar on admitting
“[e]vidence of other crimes, wrongs or acts  to prove the
character of a person in order to show that the person acted
in conformity therewith.” OEC 404(3).3 In evidence law,
“character” “ ‘means a person’s disposition or propensity to
engage or not to engage in certain types of behavior.’ ” State
v. Skillicorn, 
367 Or 464, 475-76
, 
479 P3d 254
 (2021) (quoting Laird C. Kirkpatrick, Oregon Evidence § 404.03, 213 (7th
ed 2020)). Thus, uncharged misconduct may not be used “to
argue that the defendant has either a general propensity to
engage in misconduct or a specific propensity to engage in
misconduct like the charged crime and, therefore, it is more
likely that the defendant committed the charged crime.”
367 Or at 476
; see also 
id.
 (“The prosecution may not use
uncharged misconduct evidence to prove ‘that the defendant
is either generally a criminal or more particularly a rapist
or burglar.’ ” (Quoting Edward J. Imwinkelried, 1 Uncharged
Misconduct Evidence § 2:19, 2-139 (2013).)). But as OEC
404(3) further provides, that limitation does not preclude
the admission of “other acts” or uncharged misconduct evidence for noncharacter purposes, “such as proof of motive,
opportunity, intent, preparation, plan, knowledge, identity,
or absence of mistake or accident.” 4
          The proponent of the evidence “has the burden of
showing that the proffered evidence is relevant and probative of some noncharacter purpose.” State v. Pitt, 
352 Or 566, 576
, 
293 P3d 1002
 (2012). Whether evidence has a noncharacter purpose is not determined solely by assessing whether
the ultimate fact that the proponent seeks to prove is a fact

    3
      The parties and the trial court have addressed only OEC 404(3) and not
OEC 404(4), which contains a rule about “other acts” evidence specifically for
criminal actions, because OEC 404(4) does not apply in this case. The latest murder occurred in 1993, before subsection (4) was added to the rule. See Or Laws
1997, ch 313, § 29; State v. Shaw, 
338 Or 586, 613
, 
113 P3d 898
 (2005) (holding
that to apply OEC 404(4) to a crime that predates the rule’s enactment would
result in an ex post facto violation).
    4
      The concurrence contends that we are perpetuating a misconception that
OEC 404(3) prohibits “propensity” reasoning rather than “character” reasoning.
368 Or at 733-34 (Garrett, J., concurring). We emphasize that this case concerns
prohibited character-based reasoning. As we later discuss, the state’s second
argument for admissibility of the evidence from the other crime scenes relies on
character-based reasoning prohibited by OEC 404(3), a conclusion with which the
concurrence agrees. Id. at 737-38 (Garrett, J., concurring).
Cite as 
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about a person’s character or propensity to commit crimes.
Instead, this court has repeatedly explained that evidence
may also be inadmissible, regardless of the ultimate fact to
be proved, whenever “ ‘the chain of logical relevance’ connecting the evidence to the fact it is proffered to prove relies
on ‘an inference relating to [a person’s] character or propensities.’ ” Skillicorn, 
367 Or at 476
 (quoting State v. Johnson,
340 Or 319, 338
, 
131 P3d 173
 (2006)); see also id. at 483
(“A proponent should identify the logical path that it will be
asking the factfinder to follow.”).

         As a result, the admissibility determination requires
courts to focus on the proponent’s theory of relevance that
connects the evidence to the fact of consequence. See id. at
475 (“The proponent’s theory of relevance is critical.”). If the
proponent’s “theory of relevance requires the factfinder to
employ propensity reasoning”—to rely on an inference about
the defendant’s bad character and resultant propensity to
commit criminal acts—at any link in the chain of logical
relevance, then the evidence is subject to the limits on character evidence in OEC 404(3). Id. at 476.

         As noted above, the state seeks to admit the crime
scene evidence from the three other murders as relevant
to proving that defendant killed the victim of the charged
crime. Thus, the state has the burden of identifying a chain
of logical relevance connecting the crime scene evidence from
the other charged crimes, for example, the AA, LW, and LT
murders, to the charges at issue at trial for one victim, the
TH murder in this example, without relying on inferences
about defendant’s bad character and resultant propensity to
commit criminal acts.

         The state acknowledges the bar on character evidence in OEC 404(3). The state, therefore, disclaims that
it is arguing that defendant’s DNA being at three other
crime scenes establishes that defendant likely killed some
other victims, likely had a propensity to kill prostitutes, and
likely acted on that propensity in killing the victim in the
charged act. Instead, the state argues that the doctrine of
chances provides the necessary logical relevance connecting
the “other scenes” evidence to the charged crime, without
718                                          State v. Jackson

depending on an inference about defendant’s bad character
and propensity to commit murder.
B.    Overview of the Doctrine of Chances
         The doctrine of chances is “based on the objective
improbability of the recurrence of uncommon events.”
Skillicorn, 
367 Or at 484
. Under the doctrine, “if the number
of events in a series claimed to have the same uncommon
cause exceeds the number that can reasonably be expected
to have that cause, a factfinder can infer that not all of the
events actually have that cause.” 
Id.
         The doctrine’s basic idea is that, when viewed in
isolation, a particular event might plausibly be explained
by accident or random chance. But when that event has happened repeatedly and the defendant says that each event
was the result of accident or random chance, then accident
or random chance become less plausible explanations for
the series of events: “ ‘The fortuitous coincidence becomes
too abnormal, bizarre, implausible, unusual, or objectively
improbable to be believed.’ ” 
Id.
 at 486 (quoting Imwinkelried,
1 Uncharged Misconduct Evidence at § 5:6, 5-29-30 (emphasis omitted)).
         The series of events in this case is defendant’s DNA
being at each crime scene. The state anticipates that defendant will argue that, in each case, his DNA was at the crime
scene for reasons unrelated to the crime. For example, if
defendant frequently employed prostitutes, he might have
had contact with the victim before the crimes took place or
might have had contact with someone else who carried and
transferred defendant’s DNA to the scene. We discuss those
kinds of explanations for his DNA being at each crime scene
as constituting random chance. By that we mean that defendant’s DNA was at the crime scene for a reason other than
because he killed the victim.
         The state does not dispute that an innocent person’s
DNA can end up at a crime scene for a variety of reasons
unrelated to the crime. In fact, at each crime scene in this
case, the state found DNA from individuals whom the state
contends were not involved with the crimes. The state asserts
that the DNA of those individuals ended up at the crime scene
Cite as 
368 Or 705
 (2021)                                      719

by chance. According to the state, defendant is unlike those
individuals because his DNA was at all four crime scenes.
In briefing to the trial court, the state argued that, although
it might be plausible that defendant’s DNA could end up at
one crime scene by chance, “it defies all common sense to
believe that he was similarly unlucky three other times.”
(Emphasis in original.) See also Edward J. Imwinkelried,
An Evidentiary Paradox: Defending the Character Evidence
Prohibition by Upholding a Non-Character Theory of Logical
Relevance, the Doctrine of Chances, 40 U Rich L Rev 419, 423
(2006) (“Innocent persons sometimes accidentally become
enmeshed in suspicious circumstances, but it is objectively
unlikely that will happen over and over again by random
chance.”).

         The question, then, is the extent to which the doctrine of chances, as the state proposes to use it in this case,
renders the evidence from all the crime scenes relevant and
admissible to prove that defendant is the person who murdered the victim in the charged crime at trial, without relying on character-based reasoning prohibited by OEC 404(3).
Unfortunately, our case law has done more to impede, rather
than facilitate, attempts to answer that question.

         As we next discuss, our case law before our recent
decision in Skillicorn explains the state’s initial argument
in this case. The state contends in its opening brief that the
doctrine itself is sufficient to make evidence from the other
crime scenes relevant and admissible to prove the identity of
the killer in the charged crime:
      “As noted, other-acts evidence is admissible under OEC
   404(3) if it is relevant for a noncharacter purpose. The doctrine of chances—a theory of logical relevance—avoids OEC
   404(3)’s character prohibition because it does not depend
   on a character inference. Under the doctrine, evidence of
   multiple similar events gives rise to the permissible intermediate inference that, based on objective improbability,
   the events cannot be explained as coincidence. Thus, if
   evidence is logically relevant under a doctrine-of-chances
   theory—i.e., it gives rise to the requisite intermediate
   inference of objective improbability of coincidence and it
   has any tendency to establish the existence or absence of
720                                          State v. Jackson

   a material fact—the evidence is admissible under OEC
   404(3) to prove any material issue in the case.”
(Emphasis in original; internal citation and quotation
marks omitted.) In other words, the state’s initial argument
is that the doctrine of chances supplies a theory of relevance
for evidence from the other murder scenes that is not based
on the bad character of defendant and that using the doctrine makes the evidence admissible under OEC 404(3) to
prove any material issue, and not only intentionality. We
refer to that argument in shorthand as a noncharacter theory of relevance.
C. Case Law Concerning the Doctrine of Chances
         Our case law does not resolve the extent to which
the doctrine of chances represents a noncharacter theory of
relevance for evidence of other acts extrinsic to the charged
act. Although this court has decided cases that purport to
define and apply the doctrine of chances, most of those cases
misconceive the nature of the doctrine. Our most recent
decision on the topic, Skillicorn, represents a course correction. But Skillicorn did not resolve the extent to which the
doctrine of chances represents a noncharacter theory of relevance; the facts in that case did not implicate the doctrine
of chances in the first place. We review the case law before
Skillicorn here because, even in supplemental briefing submitted after Skillicorn, the parties’ arguments rely on those
prior decisions.
         This court’s first decision on the doctrine of chances
is State v. Johns, 
301 Or 535
, 
725 P2d 312
 (1986). The defendant in Johns shot his wife and claimed that it happened accidentally. The state attempted to rebut that claim by offering
evidence that the defendant had assaulted his previous wife
with a gun years earlier. The defendant had been convicted
of the earlier assault and did not dispute it. 
Id. at 537-42
.
This court affirmed the state’s use of the prior assault under
what it purported to be the doctrine of chances, reasoning that the more frequently a person undertakes similar
conduct—such as injuring a spouse—the more likely that
that conduct was undertaken intentionally.
         On the same day that it decided Johns, the court
decided another case based on the doctrine of chances,
Cite as 
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 (2021)                                 721

State v. Allen, 
301 Or 569
, 
725 P2d 331
 (1986). In Allen, the
defendant was charged with hiring an acquaintance to commit arson, and the trial court allowed the state to present
evidence that the defendant committed an earlier arson.
Although the defendant had admitted to his participation in
the earlier arson, he denied any involvement in the charged
arson. This court affirmed the admission of the prior arson
as an application of the doctrine of chances. 
Id. at 573-74
(discussing the doctrine of chances); 
id. at 577
 (affirming
admission of prior arson).
        The court next addressed the doctrine of chances
in State v. Leistiko, 
352 Or 172
, 
282 P3d 857
, adh’d to as
modified on recons, 
352 Or 622
, 
292 P3d 522
 (2012). The
defendant was charged with the rape of three separate victims. He claimed that all the sexual contact was consensual.
The state did not seek to cross-admit the evidence of each
charged crime; it instead offered testimony from a fourth
victim who alleged similar, uncharged conduct against the
defendant. The state argued that the fourth victim’s testimony was admissible under Johns to prove that the defendant “intended to forcibly compel the victims to have sexual
intercourse with him.” Id. at 182 (internal quotation marks
omitted).
         This court rejected that argument, explaining that,
as applied in Johns, the doctrine of chances may be used
only to rebut assertions that certain conduct—either undisputed conduct or conduct already found by the jury—was
performed intentionally, rather than accidentally. Id. at 185.
According to the court, allowing the doctrine of chances to
be used beyond that would pose “an unacceptable risk that
the uncharged misconduct evidence is being admitted to
prove the act, not the defendant’s mental state.” Id. at 186.
         Later decisions by this court followed Leistiko by
limiting the doctrine of chances to proving that an act was
committed intentionally, rather than inadvertently. In State
v. Baughman, 
361 Or 386
, 
393 P3d 1132
 (2017), the defendant was charged with the sexual abuse of a minor, called B.
The trial court allowed the state to offer testimony from a
woman called A, who alleged that the defendant had similarly abused her when she was a minor. This court held
722                                         State v. Jackson

that A’s testimony could not be used to prove the defendant’s
intent to abuse B under the doctrine of chances because
the “defendant did not raise mistake or inadvertence as a
defense.” 
Id. at 407
.
         Finally, in Tena, which the trial court relied on
below, the defendant was charged with assaulting his girlfriend. The defendant argued that his girlfriend tripped
after they had had an argument. To rebut the defendant’s
assertion that mere coincidence explained the proximity
between the argument and his girlfriend’s injury, the state
sought to introduce evidence that the defendant had twice
previously abused girlfriends. The state argued that its use
of the prior incidents was justified under the doctrine of
chances. This court rejected the state’s argument by relying on the limit established in Leistiko: “It is important
to emphasize that the doctrine of chances applies only to
explain whether or not an act that a defendant performed
was performed intentionally. It does not apply when there is
a dispute about whether the defendant performed the act at
all.” Tena, 
362 Or at 524
.
         That was the state of our case law when this court
recently decided Skillicorn, which represents a fundamental
reconsideration of the doctrine of chances. The defendant
in Skillicorn left his girlfriend’s house in his truck after a
dispute. As the defendant was leaving, he hit the back of
his girlfriend’s car and then hit another car belonging to a
neighbor down the street. The defendant maintained that
both crashes were accidental. The state sought to admit
evidence of previous incidents in which the defendant had
intentionally driven aggressively in the neighborhood. The
state maintained that the evidence was admissible under
Johns and the doctrine of chances to rebut the defendant’s
claim of an accident. The trial court admitted the evidence.
Skillicorn, 
367 Or at 467-72
.
         In rejecting the state’s argument and reversing the
trial court’s admission of the evidence, the court held that
Johns misconceives the doctrine of chances. The court noted
that the doctrine of chances relies on the objective improbability of the recurrence of uncommon events, such as accidents. 
Id. at 484
. Thus, “where the doctrine is used to prove
Cite as 
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 (2021)                                    723

‘lack of accident,’ the application of the doctrine requires
an assessment of the odds that all of the events in a series
were accidental; therefore, it does not make sense to include
events in the series that are known not to have that cause or
explanation.” Id. at 489. Including intentional acts as part
of the series does “not enable the factfinder to make any
determination regarding whether the defendant has suffered more accidents than could reasonably be expected.” Id.
As a result, it is a mistake to consider a defendant’s prior
intentional conduct when assessing whether a charged act
was accidental under the doctrine of chances.
         The court then pointed out that the analysis in
Johns suffers from that mistake. As described above, the
defendant in Johns was charged with shooting his second
wife, which he claimed was accidental. Contrary to the
court’s conclusion in Johns, evidence that the defendant
intentionally assaulted his first wife could not be used under
the doctrine of chances to establish that the defendant had
experienced an objectively improbable number of accidental
injuries to his spouses. There was only one claimed accident,
not a recurring series of accidents.
           As a result, the court’s reasoning in Johns to admit
the prior assault cannot properly be called doctrine-ofchances reasoning. See id. at 491 (“[T]his court in Johns
described the doctrine of chances but did not properly apply
it.”). Instead, the state in offering the evidence, and this court
in affirming its admission, engaged in prohibited character-based reasoning: The defendant intentionally assaulted his
first wife, and so it is likely that he intentionally shot his
second wife. See id. (“The state had used propensity reasoning, and this court followed suit.”). This court, therefore,
“overrule[d] Johns to the extent that it holds that evidence
of uncharged misconduct can be admitted under the doctrine of chances for the purpose of arguing that, because the
defendant engaged in deliberate conduct before, it is likely
that he engaged in it again during the charged incident.”
Id. at 493.
       The mistake that Skillicorn identified in Johns is
a mistake that runs through our other cases, which relied
on and applied Johns. None of those cases implicates the
724                                                   State v. Jackson

doctrine of chances, properly conceived, because none of
those cases asks a factfinder to assess the objective improbability of a series of chance events. As a result, those cases
do not inform the scope of the doctrine of chances, properly
conceived. See Ciancanelli, 
339 Or at 290
 (“Many decisions
of this court serve as precedent in later decisions. Thus, disavowing one case may undermine the precedential significance of several others.”).
D. Whether the Doctrine of Chances Is a Noncharacter
   Theory of Relevance that Makes “Other Acts” Evidence
   Admissible
         The state argues correctly that its proposed application of the doctrine of chances in this case does not suffer
from the same mistake that the court made in Johns. The
state notes that, in offering the other crime scene evidence,
it intends the jury to assess the improbability that defendant’s DNA could be at four similar crime scenes by random
chance. Thus, this case properly implicates the doctrine of
chances. And, as previously noted, the state initially takes
the position that, because it properly invokes the doctrine of
chances with respect to the evidence from the other crime
scenes, then the evidence is admissible to prove any material fact at issue at trial, and not only intentionality, without using character-based reasoning prohibited by OEC
404(3), including defendant’s identity as the murderer in
any charged crime.
          In briefing its position, the state relies extensively
on this court’s description of the doctrine of chances in
Skillicorn. Skillicorn does not, however, resolve whether the
application of the doctrine of chances to evidence of other
acts supplies a noncharacter theory of relevance that renders the evidence admissible to establish any material fact
at trial. Although the court in Skillicorn raised that question, the court did not attempt to resolve it, because the parties in that case assumed that the doctrine of chances was a
noncharacter theory of relevance.5
   5
     We explained in Skillicorn that the parties
   “regard the doctrine as a nonpropensity theory of relevance. There is a
   debate among commentators regarding whether the doctrine actually is a
   nonpropensity theory of relevance. But we do not understand defendant to
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 (2021)                                                    725

         This case, therefore, allows us to address for the
first time the extent to which the doctrine of chances, properly conceived, is a noncharacter theory of relevance that is
sufficient to make the other-acts evidence relevant to prove
any material fact at issue at trial. Considering whether the
doctrine of chances is a noncharacter theory of relevance
entails two distinct questions: (1) whether the doctrine
of chances relies on prohibited character reasoning and
(2) whether applying the doctrine of chances to the evidence is sufficient, without relying on additional inferences,
to make a fact material to the charged crime more or less
probable.
          As to the first question, the state argues at length
that the doctrine of chances does not rely on prohibited
character-based reasoning. The state explains that establishing the improbability that defendant’s DNA could be at
four similar crime scenes by random chance does not rely
on any inferences about defendant’s bad character; rather,
that improbability is established statistically and probabilistically merely by assessing the number of times a person’s
DNA can be expected to be at the scene of a prostitute homicide by random chance and comparing that to the number of
times defendant’s DNA has been at the scenes of a prostitute
homicide.
        To meet that argument, defendant maintains,
among other things, that the state has failed to satisfy
the foundational requirements necessary to make that
comparison—namely, the similarity and unusual frequency
of the events in question. See Skillicorn, 
367 Or at 487-88
(examining those foundational requirements); 
id. at 488
(noting that the proponent has the burden to satisfy those
foundational requirements). However, we assume, without
deciding, that the state has satisfied those foundational
requirements, because we conclude that the state’s argument fails on other grounds.

    categorically challenge the doctrine of chances as a basis for the admission of
    uncharged misconduct evidence[.]”
367 Or at 474-75
 (internal citation omitted). We reiterated later in the opinion
that “the parties in this case assume that the doctrine can be used as a nonpropensity theory of relevance to justify the admission of uncharged misconduct
evidence.” 
Id.
 at 484 n 5.
726                                           State v. Jackson

         Thus, we take as a given that the state has established the statistical improbability that defendant’s DNA
could be at four crime scenes of murdered prostitutes by
random chance. And, to the extent the doctrine of chances is
limited to such statistical reasoning, the state is correct that
it entails no character-based reasoning about defendant.
But, as we will explain, limiting the doctrine of chances to
such statistical reasoning also limits its relevance.
         To assess the sufficiency of the doctrine of chances in
establishing the relevance of the other crime scene evidence,
we ask whether the doctrine of chances directly makes a
fact about the charged crime more probable without relying on additional inferences that go beyond the doctrine’s
statistical reasoning. If additional inferences are needed to
make the evidence relevant to the charged crime, then those
inferences must be identified and evaluated to ensure that
they do not rely on prohibited character reasoning.
         The state erroneously assumes that the doctrine
of chances may serve as a basis, in itself, for the relevance
of the evidence from the other crime scenes. We conclude
that the doctrine of chances, properly conceived, does not by
itself constitute a theory of relevance; therefore, the mere
application of the doctrine of chances is insufficient to make
evidence relevant under OEC 401 and admissible in accordance with OEC 404(3).
         We return to first principles under the Oregon
Evidence Code: Relevant evidence is evidence that has a
tendency to make the existence of a fact of consequence
more probable or less probable than it would be without the
evidence, and the admissibility of evidence requires courts
to focus on the proponent’s theory of relevance that connects
the evidence to the fact of consequence. The inquiry is not
abstract, such as whether the evidence could be relevant
to the charged crime. The inquiry is grounded in the reason for which the proponent offers the evidence. For its initial argument, the state’s offered reason is the doctrine of
chances, and the state relies only on the doctrine of chances
because it does not require character-based reasoning. We
are therefore required to resolve whether the doctrine of
chances is sufficient to make the other crime scene evidence
Cite as 
368 Or 705
 (2021)                                   727

relevant to one particular murder. We conclude that it is
not.
          In a nutshell, the state relies on the doctrine in
ways that go beyond the limits of the doctrine’s statistical
reasoning. The state contends that, by establishing that
random chance is unlikely to explain defendant’s DNA at
all four crime scenes considered as a group, it has decreased
the likelihood that random chance can explain defendant’s
DNA being at one particular crime scene. But establishing the improbability that random chance explains all the
events in a series does not diminish the likelihood that random chance can explain any one event in the series.
          To elaborate, if we start with the proposition that
there is a reasonable likelihood that one event might reasonably be explained by chance, then, under the doctrine of
chances, that proposition about one event remains true, even
as more events are added to the series. As noted above, the
state argued to the trial court that chance might reasonably
explain an innocent person’s DNA being at one crime scene.
At the same time, the doctrine of chances recognizes that it
is less likely that chance can explain two similar uncommon
events happening by random chance, as compared to just
one event. It is even less likely that three similar uncommon
events will happen by random chance, as compared to two.
And so on. Under the doctrine of chances, the likelihood of
chance explaining all the events goes down as more events
are added to the series. But, no matter how many events
are added, the doctrine of chances, by itself, does not diminish the original proposition that chance might reasonably
explain one event in the series. The doctrine of chances, by
itself and without additional inferences, never changes the
underlying odds with which we started.
         In Skillicorn, we recognized that the doctrine of
chances is of “ ‘limited probative value’ ” in attempting to disprove that random chance can explain any one event in the
series. 
367 Or at 487
 (quoting Imwinkelried, 1 Uncharged
Misconduct Evidence 4:1 at 4-34). While discussing the doctrine in the context of proving intentionality, the court in
Skillicorn explained: “ ‘The only direct inference from the
doctrine of chances is that one or some of the incidents were
728                                         State v. Jackson

not accidents.’ [The doctrine] does not prove that any particular incident was intentional, much less that they all
were.” 
Id.
 (quoting Imwinkelried, 1 Uncharged Misconduct
Evidence 4:1 at 4-34). Stated more generally, the only direct
inference from the doctrine of chances is that chance is
unlikely to explain one or some events in the series.
         In this case, as to each charged crime, the state
must prove that crime beyond a reasonable doubt. See State
v. Boots, 
308 Or 371, 377
, 
780 P2d 725
 (1989) (requiring
members of the jury to agree on the grounds upon which
the state proved charges of aggravated murder, holding that
the jury “may agree on both [grounds], if both are proved
beyond a reasonable doubt”). In asking the jury to convict
defendant of one murder, for example the murder of TH, the
state must prove beyond a reasonable doubt that defendant
killed TH. By using the doctrine of chances to establish the
improbability that random chance can explain defendant’s
DNA at all four crime scenes, the state can claim only the
inference that defendant’s DNA was at one or some of those
four crime scenes for reasons other than random chance.
When the state is trying to prove that defendant killed TH,
the inference that the doctrine of chances provides adds no
new information about the likelihood that random chance
can explain defendant’s DNA at TH’s crime scene.
         The fact that defendant in this case has been
charged with all four crimes in the series does not affect the
analysis. Charging a defendant with multiple crimes in a
single indictment, and even trying those separate crimes to
the same jury, does not change the state’s evidentiary burden. The state is required to prove each crime on its own
merits. It is not permitted to ask the jury to convict defendant of murdering TH based on the statistical likelihood
that defendant committed at least one murder out of a group
of four murders in which TH was one of the victims.
        To recap, the doctrine of chances represents a permissible path to one factual inference: Based on the objective improbability that uncommon events will happen
repeatedly by chance, a factfinder may reasonably infer
that one or some events in a group of unlikely events were
not the result of chance. In this case, assuming that the
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 (2021)                                                    729

foundational requirements have been met, a factfinder may
infer that it is improbable that random chance can explain
defendant’s DNA being present at all four locations where a
murdered prostitute was found. Although that fact may be
inferred without relying on character-based reasoning, that
fact is not relevant to the charged crime without additional
inferences connecting the use of the doctrine of chances to
the charged crime. Thus, whether the other crime scene evidence is relevant to the charged crime and does not depend
on character-based reasoning depends on the remaining
links in the chain of logical relevance. In other words, the
doctrine of chances does not imbue the evidence with logical
relevancy; relevancy “ ‘is not an inherent characteristic of
any item of evidence but exists only as a relation between
an item of evidence and a matter properly provable in the
case.’ ” State v. Guzek, 
322 Or 245, 251
, 
906 P2d 272
 (1995)
(quoting Legislative Commentary to OEC 401, reprinted in
Laird C. Kirkpatrick, Oregon Evidence 104 (2d ed 1989)).
          Thus, although the doctrine may function to establish one link in a larger chain of inferences that makes
other-acts evidence relevant to a particular fact of consequence at trial, we reject the notion that, once the proponent
shows that the doctrine of chances properly applies to other-acts evidence, that application of the doctrine necessarily
makes the evidence logically relevant. Instead, whether
“other acts” evidence is relevant without implicating prohibited character-based reasoning will depend on the facts of
each case and the proponent’s theory of relevance.6
E. Whether the State Identified a Chain of Inferences that
     Established Relevance and Admissibility of the Evidence
     from All Four Murders in Accordance with OEC 404(3)
          Skillicorn was decided after the initial briefing and
oral argument was complete in this case, and we asked the
    6
       The concurrence maintains that we mischaracterize the state’s argument
as asserting, once the doctrine of chances is implicated, it makes evidence admissible for all purposes at trial. See 368 Or at 737 (Garrett, J., concurring). To be
clear, we understand the state to argue that use of the doctrine of chances should
not be limited to proving intentionality categorically, as we previously maintained in Leistiko. Instead, the state argues that the doctrine of chances may be
used to prove any type of noncharacter fact. In view of our holding in this case,
we need not resolve whether use of the doctrine of chances should be categorically
limited to proving certain types of facts.
730                                          State v. Jackson

parties to submit supplemental briefing to address its effect
on this case. In view of this court’s reexamination of the
doctrine of chances and reemphasis on the import of the proponent’s theory of relevance in Skillicorn, the state lays out
in supplemental briefing the chain of inferences that it contends (1) establishes that the evidence from all four crime
scenes is relevant in each trial to prove that defendant was
the person who committed the murder of each victim and
(2) avoids character reasoning. Ultimately, we conclude that
the state’s additional effort to establish the admissibility of
the evidence fails.
          The state articulates the following chain of relevance for the admissibility of the DNA evidence from the
three other murder scenes in any one trial for a charged
murder: First, the jury can use the evidence to decide that
it is statistically improbable for a defendant’s DNA to be at
four crime scenes involving murdered prostitutes by random
chance, which is an application of the doctrine of chances. As
we have discussed, the statistical inference about a group of
events through use of the doctrine of chances does not compel an additional inference about whether one event could
be random chance; therefore, the proponent of the evidence
must identify additional intermediate inferences connecting the use of the doctrine of chances to the charged act.
Here, the state posits for its second and intermediate inference that, because of the statistical improbability of chance
explaining defendant’s DNA at all the crime scenes, defendant was likely present at each of the crime scenes when the
murders were committed, including the charged murder.
Third, the state asserts, the second inference that defendant
was present for each of the murders “supports the ultimate
reasonable inference that defendant was the killer in each
murder,” including the charged murder.
          The state maintains that all three inferences “are
based solely on the jury’s probability assessment” concerning defendant’s DNA at the four murder scenes, not
on character-based reasoning. On its face, that chain of
inferences does not rely on obvious propensity reasoning to
explain relevance, such as asking the jury to conclude that,
because defendant killed three other women, he is the type
of person who kills women like the victim in the charged
Cite as 
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 (2021)                                731

crime. Thus, the state articulates a chain of inferences that
avoids an explicit character-based theory of relevance.
         We first address and reject the state’s contention
that it has established the logical relevance of the evidence
from the other crime scenes based solely on the improbability that defendant’s DNA would be at all four crime scenes
by random chance. The state’s first inference depends on the
doctrine of chances: the improbability that random chance
can explain defendant’s DNA at all four murders. But that
fact does not directly increase the likelihood of the state’s
second factual inference: that random chance cannot explain
defendant’s DNA at any one of the four crime scenes. As we
have explained, the doctrine of chances operates at the level
of the entire group of events, and not the level of the individual events within the group. Ruling out random chance
as the explanation for all four events in the group does not
rule out or even diminish random chance as the explanation for any one of the four events. Each one of the charged
acts is only one event in the group. At most, the doctrine of
chances allows a factfinder to infer that random chance cannot explain one or some events in the group, without identifying which events can be explained by random chance and
which cannot.
         The difficulty for the state, then, is the task of
explaining the move from the first inference about the
series of events to the subsequent inferences about only one
of the charged crimes within the series when the doctrine of
chances, properly understood, does not accomplish the task.
What basis besides the doctrine of chances would justify the
state’s proposed inference that defendant was present for
each murder, including the charged crime? The state makes
no attempt to answer that question other than by asserting
that the subsequent inferences are “reasonable” in view of
the first.
         Having rejected the doctrine of chances as the sole
basis that connects the factual proposition derived by using
the doctrine—that defendant was likely present at the time
of one or some of the murders—to the second link in the
state’s chain of inferences—that defendant was likely present at the time of any particular one of those murders, we
732                                         State v. Jackson

examine the state’s claim that it is reasonable to make that
connection. By framing the key second factual inference in
the state’s chain of inferences as being about defendant’s
likely presence at each murder, rather than framing the factual inference as being about defendant having likely committed each murder, the state attempts to avoid character-based reasoning. However, we conclude that the state, while
disclaiming use of character-based reasoning, requires such
reasoning to connect the inferences.
         Considering the use of the evidence during defendant’s upcoming trial on charges relating to one of the murders makes that conclusion evident. In a trial involving LT’s
murder, for example, whether evidence of defendant’s DNA
at three other crime scenes involving TH, AA, and LW is relevant to prove that defendant killed LT depends on whether
the factfinder believes that defendant killed the other victims. As the trial court put it, the other crime scene “evidence only has persuasive force if it means that the defendant committed the charged acts.” If a factfinder concluded
that random chance explained defendant’s DNA being at the
other three crime scenes, the presence of defendant’s DNA
at those crime scenes would not matter for the purpose for
which the state seeks to introduce the other-acts evidence,
to prove that defendant was present at the time that LT was
murdered and that he was the murderer. And because the
persuasive force of the other crime scene evidence is based
on establishing defendant’s character as a murderer, the
state’s theory of relevance is barred by OEC 404(3).
          Looking at the issue from a different direction,
the state already has acknowledged, correctly, that were
it to claim that defendant killed three women before in an
attempt to prove that defendant killed again and murdered
LT, that would constitute character-based evidence that is
barred under OEC 404(3). Thus, for example, if the state
had defendant’s confession that he had killed TH, AA, and
LW, it could not use the confession to prove that defendant
murdered LT. The state in this case has attempted to introduce evidence extrinsic to the charged murder to establish
a circumstantial case that defendant probably killed the
three other women, but that evidence is no more admissible
under OEC 404(3) in his trial for LT’s murder than it would
Cite as 
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 (2021)                                 733

be if the state had offered direct evidence by confession that
defendant actually killed the three other women.
         In sum, an Oregon court that is asked to admit
other-acts evidence cannot simply look for the proponent’s
identification of a noncharacter material fact that permits
use of other acts as proof, such as the actor’s “motive, opportunity, intent, preparation, plan, knowledge, identity,” OEC
404(3), and for some probative value of that evidence that
is connected in any way to the identified purpose. Instead,
the proponent must articulate the chain of inferences that
makes the evidence relevant to that purpose and explain
how that chain of inferences does not depend on the actor’s
character, and the court must carefully examine that chain
of inferences to determine whether the proponent has met
its burden to establish that it is offering a theory of relevance for the evidence that does not depend on character-based reasoning prohibited under OEC 404(3).
         In this case, the state’s reliance on the doctrine of
chances does not satisfy its burden of offering an intermediate inference that logically connects its use of the doctrine
of chances to the fact of consequence it wishes to prove—
defendant’s identity as the murderer. Instead, the state has
articulated a chain of inferences that ultimately requires
the factfinder to depend on character-based reasoning to
conclude that the crime scene evidence from three other
murders supports the conclusion that defendant committed
the murder of a fourth victim. Accordingly, we affirm the
trial court’s exclusion of that evidence.
        The order of the circuit court is affirmed.
        Garrett, J., concurred and filed an opinion in which
Balmer, J., joined.
        GARRETT, J., concurring.
        I write separately because, although I agree with
the majority’s disposition of this appeal, I view its reasoning
as problematic in some respects.
       First, the majority opinion perpetuates a longstanding misconception in this court’s case law regarding
OEC 404(3). Specifically, the majority describes that rule as
734                                                        State v. Jackson

prohibiting “propensity” reasoning. However, OEC 404(3)
actually says the following:
        “Evidence of other crimes, wrongs[,] or acts is not admissible to prove the character of a person in order to show that
    the person acted in conformity therewith. It may, however,
    be admissible for other purposes, such as proof of motive,
    opportunity, intent, preparation, plan, knowledge, identity,
    or absence of mistake or accident.”
(Emphasis added.) Notoriously, neither the Oregon Evidence
Code nor the federal evidence code (which contains a substantively identical rule, FRE 404(b)) provides a definition
of “character.” That omission has spawned a small library
of case law and commentary on the topic of what, exactly,
the rule prohibits. “Legal scholars and courts have long
struggled to define character in the law of evidence. Since
the time of John Henry Wigmore, observers have lamented
that ‘[t]he prohibition against “character evidence” is one
of the great enigmas [of] the law of evidence.’ ” Barrett J.
Anderson, Note, Recognizing Character: A New Perspective
on Character Evidence, 121 Yale LJ 1912, 1919 (2012) (quoting John Henry Wigmore, 1A Evidence in Trials at Common
Law § 54.1, 1150 (Peter Tillers ed., 1983)).
         This court has defined “character” as a person’s
“tendency to act in a certain way in all [the] varying situations of life,” State v. Marshall, 
312 Or 367, 372
, 
823 P2d 961
 (1991) (internal quotation marks omitted), or as a person’s “disposition or propensity to commit certain crimes,
wrongs, or acts,” State v. Johns, 
301 Or 535, 548
, 
725 P2d 312
 (1986), overruled in part by State v. Skillicorn, 
367 Or 464
, 
479 P3d 254
 (2021).1 The same or similar definitions
are used by other courts, but they are of dubious value. See
Anderson, 121 Yale LJ at 1922 (noting the use of such definitions in numerous jurisdictions: “At best, these definitions
are too general, confusing, and vague. They do not distinguish, for example, between a character trait on one hand,

     1
        Skillicorn overruled Johns “to the extent that it holds that evidence of
uncharged misconduct can be admitted under the doctrine of chances for the purpose of arguing that, because the defendant engaged in deliberate conduct before,
it is likely that he engaged in it again during the charged incident.” Skillicorn,
367 Or at 493
. Skillicorn did not call the definition of “character evidence” in
Johns into question.
Cite as 
368 Or 705
 (2021)                                      735

and a person’s habit, mental disorder, or sexuality on the
other.”).
         In addition, this court—again, like many others—
has used the word “character” interchangeably with “propensity.” The two terms have been equated to the point
that we have routinely described OEC 404(3) as prohibiting
“propensity evidence,” even though that is not what the rule
says. For example, we have observed:
   “OEC 404(3) is an ‘inclusionary’ rule, as opposed to an
   ‘exclusionary’ rule, expressly stating that prior bad acts
   evidence may be admissible as long as it is relevant for any
   purpose other than to prove ‘propensity’—that is, to prove
   the character of a person, to show that the person acted in
   conformity with that character.”
State v. Turnidge (S059155), 
359 Or 364, 429
, 
374 P3d 853
(2016). Curiously, that passage from Turnidge (S059155), in
describing what OEC 404(3) “expressly” states, puts quotation marks around the wrong word (propensity instead of
character). More recently, in Skillicorn, we took the same
approach:
   “ ‘ “Character” for purposes of evidence law means a person’s disposition or propensity to engage or not to engage in
   certain types of behavior.’ Thus, OEC 404(3) prohibits the
   use of uncharged misconduct evidence to prove that a person has a propensity to engage in certain types of behavior
   and that the person acted in conformance with that propensity on a particular occasion. In short, it prohibits ‘propensity evidence.’ ”
367 Or at 475
-76 (quoting Laird C. Kirkpatrick, Oregon
Evidence § 404.03, 213 (7th ed 2020)).
         Although the conflation of character with propensity is enmeshed in our jurisprudence, commentators have
pointed out a problem: The concepts are not the same.
Moreover, the case law clearly reflects that they are not the
same, even while it has uncritically substituted one word
for the other. See, e.g., Anderson, 121 Yale LJ at 1915-16
(“Defining character as simply someone’s propensity to act
in a certain way does not distinguish between what is commonly perceived as character and other propensity-based
qualities that courts have recognized are not character, such
736                                               State v. Jackson

as habits, mental illnesses and genetic attributes, skills and
abilities, or other traits of personality.” (Footnotes omitted.));
id. at 1915-16 nn 10-12 (collecting cases). “Character” is normally understood to refer to more generalized traits, usually with a moral quality, while “propensity” can mean particularized tendencies that may or may not have any moral
component. See, e.g., David P. Leonard, The New Wigmore:
Evidence of Other Misconduct and Similar Events § 8.3, 552-
53 (2d ed 2019) (“Character is thought to be a generalized
tendency to act in a particular way, caused by something
internal to the actor that arises from that person’s moral
bearing.”). As another commentator has explained:
       “Courts and commentators often carelessly say that it
   is ‘propensity reasoning’ that is banned by the standard
   evidence rule.  That is an overstatement; if the law is
   properly read, it is  only reasoning based on the propensity known as character that is banned.
       “ ‘Character’ properly describes just one kind of propensity—a propensity to repeat a general category of act, such
   as acts of violence, acts of dishonesty, etc. And by definition,
   character means a propensity to do acts that have a good
   or bad moral connotation. But there are other kinds of propensities. Inferring present action from these others is not
   banned. For example, there are specific propensities, i.e. a
   tendency to do a certain thing in a specific way. This is not
   properly referred to as ‘character.’ ”
Paul F. Rothstein, Comment: The Doctrine of Chances, Brides
of the Bath and a Reply to Sean Sullivan, 14 Law, Probability
& Risk 51, 61 (2015) (emphasis in original).
         “Modus operandi” evidence, for example, is generally understood to be admissible to prove “identity” (a purpose expressly allowed by OEC 404(3)), on the theory that,
where the charged conduct bears sufficiently unique characteristics, evidence that the defendant previously engaged in
conduct with those same characteristics supports an inference that the defendant is the person who committed the
charged conduct. That logic involves what can only be a form
of propensity reasoning—the idea that the accused has a
habit, inclination, or proclivity for doing a very specific thing
in a very specific way. Thus, if all “propensity” reasoning is
banned by OEC 404(3), “modus operandi” evidence cannot
Cite as 
368 Or 705
 (2021)                                   737

be legitimate. But it is legitimate, as courts have traditionally understood, including this one. See, e.g., State v. Pinnell,
311 Or 98
, 110 & n 18, 
806 P2d 110
 (1991) (describing permissible use of other acts evidence to show that the accused
committed a “signature crime,” such as by leaving “the
mark of Zorro”). The only way to resolve that contradiction
is to conclude that OEC 404(3) means just what it says—
it prohibits character reasoning, not propensity reasoning,
which is different, often more specific, less value-laden, and
nowhere mentioned in the rule.
         In short, this court should fundamentally reconsider the nature of the OEC 404(3) prohibition. However,
disentangling the concepts of character and propensity is
a difficult task, and not one that the state has asked us to
undertake here. Instead, the state argues that its theory
of relevance does not require even propensity reasoning.
Considering that argument on its own terms, I believe it fails,
but for reasons more straightforward than the majority’s
analysis.
         The majority characterizes this case as raising
such general questions as “the extent to which the doctrine
of chances represents a noncharacter theory of relevance for
evidence of other acts extrinsic to the charged act,” 368 Or
at 720, and whether the doctrine of chances “by itself constitute[s] a theory of relevance,” id. at 726. The majority then
answers those questions at a very high level of abstraction.
Those answers are both categorical and largely ungrounded
in authority, posing a risk that the pronouncements in today’s
opinion are unintentionally overbroad and may cause confusion in future cases. This court’s troubled history with the
doctrine of chances—well described by the majority and in
Skillicorn—counsels a less ambitious approach.
         Much of the majority’s discussion seems intended
to reject an argument that I do not understand the state to
be making: that the doctrine of chances is somehow a freestanding theory that, by itself, “imbue[s]” evidence with relevance, 368 Or at 729, such that the evidence becomes relevant and admissible to prove any material fact. Although
the state has referred to the doctrine of chances as a theory
of relevance, in context I understand the state’s position to
738                                         State v. Jackson

be that, when evidence is logically relevant, the doctrine
of chances is a way of explaining why the theory of relevance does not rely on propensity reasoning. In this case,
the state has argued that the “other acts” evidence is logically relevant to prove defendant’s identity as the murderer
(a purpose allowed by OEC 404(3)), and that, under the doctrine of chances, that theory of relevance relies solely on
probabilistic rather than propensity reasoning. But the
state’s theory does not avoid propensity reasoning. That can
be explained without going further to suggest how the doctrine of chances might or might not work in other contexts.
          The state contends that the presence of defendant’s
DNA at the other murder scenes supports an inference that
the presence of his DNA at the charged murder scene was
not a coincidence (more precisely, an inference that defendant was present at the murder). However, the inference
that defendant was present at the charged murder scene
relies on additional, unstated inferences: that (1) instead of
coincidence, a better explanation is that the series of events
has a common cause, which (2) can only be that defendant
had an unusual tendency to be present for the violent deaths
of young, Black prostitutes over the time period in question,
which (3) increases the likelihood that defendant was present for the charged crime. Whether or not that chain of reasoning involves any assumption about defendant’s “character,” it does involve an assumption about his propensity for
engaging in certain behavior. Therefore, if one assumes for
purposes of this case that OEC 404(3) prohibits propensity
reasoning, the trial court’s ruling should be affirmed.
        Balmer, J., joins in this concurring opinion.

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