People v. Vanley’s Empirical Analysis
1974
Citation profile
2 federal appellate · 28 state decisions
How this case has been cited
Cited by 30 later decisions — most recently July 2025 · most notably 15 Cal. 3d 709 - People v. Gauze (1975), 22 Cal. 3d 318 - People v. Wetmore (1978)
2 federal appellate · 28 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 Boykin v. Alabama · Jackson v. Indiana · Leland v. Oregon · 1 Cal. 3d 122 - In Re Tahl · People v. Ibarra
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 30 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“As a matter of common sense, any defendant who pleads guilty to a crime knows that some punishment will follow; similarly, a person charged with a prior conviction most likely knows that the purpose of the charge is to enhance punishment in some fashion. By contrast, a person who pleads not guilty by reason of insanity may figure that the plea is simply another way to “beat the rap.” We can hardly impute to the average defendant enough legal sophistication to realize that the very evidence which establishes the truth of the plea, can also confine him in a state hospital for a minimum period of 90 days (Pen.Code, § 1026(a)) and that he can remain involuntarily committed at such hospital for the rest of his life....”
1 later decision quote this exact passage
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.