Florida v. Riley’s Empirical Analysis
1989
Citation profile
157 federal appellate · 32 district · 227 state decisions
How this case has been cited
Cited by 542 later decisions (17 by the Supreme Court) — most recently August 2025 · most notably Lockhart v. Fretwell (1993), Kyllo v. United States (2001)
157 federal appellate · 32 district · 227 state decisions — followed in 27 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 Katz v. United States · Mapp v. Ohio · Rakas v. Illinois · Jones v. United States · Schmerber v. State of California
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 542 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“A 'search' occurs when an expectation of privacy that society is prepared to consider reasonable is infringed”
30 later decisions quote this exact passage“[a]s a general proposition, the police may see what may be seen from a public vantage point where [they have] a right to be”
6 later decisions quote this exact passage“What a person knowingly exposes to the public, even in his own home or office, is not a subject of Fourth Amendment protection.”
3 later decisions 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.