Illinois v. Charles McArthur’s Empirical Analysis
2001
Citation profile
236 federal appellate · 77 district · 474 state decisions
How this case has been cited
Cited by 1,052 later decisions (24 by the Supreme Court) — most recently August 2025 · most notably United States v. Knights (2001), Georgia v. Randolph (2006)
236 federal appellate · 77 district · 474 state decisions — followed in 38 states
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 Terry v. Ohio · Carroll v. United States · Payton v. New York · Schmerber v. State of California · Delaware v. Prouse
Cited together with Payton v. New York · Terry v. Ohio · Katz v. United States · Illinois v. Gates · Welsh v. Wisconsin
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 1,052 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“[w]hen faced with special law enforcement needs, diminished expectations of privacy, minimal intrusions, or the like, the Court has found that certain general, or individual, circumstances may render a warrantless search or seizure reasonable.”
14 later decisions quote this exact passage · from the majority“[W]e balance the privacy-related and law enforcement-related concerns to determine if the intrusion was reasonable.”
11 later decisions quote this exact passage · from the majority“right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated.”
8 later decisions 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.