68 Ill. App. 3d 34 - People v. Hammock’s Empirical Analysis
1979
Citation profile
35 state decisions
How this case has been cited
Cited by 39 later decisions — most recently March 2025 · most notably United States v. Sielaff (1979), 133 Ill. App. 3d 788 - People v. MacK (1985)
35 state decisions
Later decisions citing this case, by decade. The current decade is in progress, and our corpus holds fewer opinions from the most recent years, so the latest bars are undercounted — not a real decline.
Relationships
Relies on 68 Ill. 2d 149 - People v. Perruquet · 61 Ill. 2d 583 - People v. Bolyard · 54 Ill. 2d 552 - People Ex Rel. Ward v. Moran · 64 Ill. 2d 485 - People v. Butler · 39 Ill. 2d 318 - The People v. Ford
Most-quoted passages
The sentences later courts lift from this opinion, ranked by how many decisions quote each — the parts of the opinion doing the work. These counts are smaller than the citation total above because most of the 39 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
““(a) A person who kills an individual without lawful justification commits voluntary manslaughter if at the time of the killing he is acting under a sudden and intense passion resulting from serious provocation by: (1) The individual killed, ° ° * Serious provocation is conduct sufficient to excite an intense passion in a reasonable person. (b) A person who intentionally or knowingly kills an individual commits voluntary manslaughter if at the time of the killing he believes the circumstances to be such that, if they existed, would justify or exonerate the killing under the principles stated in Article 7 of this Code, but his belief is unreasonable.” Ill. Rev. Stat. 1979, ch. 38, par. 9 — 2.”
1 later decision quote this exact passage · from the majority“"The definition and various recognized categories of 'serious provocation’ appear to have remained in much the same form as under the common law. The test is that of the reasonable man, and only a few categories of provocation have been recognized— substantial physical injury or assault, mutual quarrel or combat, illegal arrest, and adultery with the offender’s spouse; but not mere words or gestures or trespass to property.” (Ill. Ann. Stat., ch. 38, par. 9 — 2, Committee Comments, at 393 (Smith-Hurd 1979).)”
1 later decision quote this exact passage · from the majority““A person who kills an individual without lawful justification commits voluntary manslaughter if at the time of the killing he is acting under a sudden and intense passion resulting from serious provocation by: (1) The individual killed or (2) * * *. Serious provocation is conduct sufficient to excite an intense passion in a reasonable person.””
1 later decision quote this exact passage · from the majority
How this case has been treated — in progress
Whether each later court followed, distinguished, criticized, or overruled this decision. The treatment classification (task #35) runs highest-cited cases first and lights up here as it reaches this one.