39 Cited authorities

Illinois v. Gates
462 U.S. 213 (1983) Cited 19,382 times 29 Legal Analyses
Holding that a warrant may issue only when probable cause exists under the "totality-of-the-circumstances"
Terry v. Ohio
392 U.S. 1 (1968) Cited 38,762 times 73 Legal Analyses
Holding that a police officer who has reasonable suspicion of criminal activity may conduct a brief investigative stop
United States v. Sokolow
490 U.S. 1 (1989) Cited 5,299 times 13 Legal Analyses
Holding DEA agents had reasonable suspicion to stop Sokolow after evidence from his travel plans and demeanor raised the agents' suspicion of his involvement in illegal drug activity
Schneckloth v. Bustamonte
412 U.S. 218 (1973) Cited 12,095 times 20 Legal Analyses
Holding the State need not prove knowing-and-deliberate consent to search
Maryland v. Pringle
540 U.S. 366 (2003) Cited 2,341 times 6 Legal Analyses
Holding that officers had probable cause to arrest an occupant of a car even in the absence of direct evidence indicating that he knew there was cocaine inside the vehicle
Katz v. United States
389 U.S. 347 (1967) Cited 12,643 times 74 Legal Analyses
Holding that failure to recognize a reasonable expectation of privacy in a telephone booth would "ignore the vital role that the public telephone has come to play in private communication"
Coolidge v. New Hampshire
403 U.S. 443 (1971) Cited 7,874 times 13 Legal Analyses
Holding that police who obtained evidence voluntarily from a suspect's wife did not need a search warrant because the officers exerted no effort to coerce or dominate her and were not obligated to refuse her offer to take the evidence
Birchfield v. North Dakota
136 S. Ct. 2160 (2016) Cited 1,071 times 16 Legal Analyses
Holding warrantless breath tests, but not blood tests, are permitted as searches incident to arrest under the Fourth Amendment
Florida v. Jimeno
500 U.S. 248 (1991) Cited 2,505 times 12 Legal Analyses
Holding that officers didn't exceed the scope of consent when suspect told them they could search the entire car and they searched containers within the car
United States v. Sharpe
470 U.S. 675 (1985) Cited 3,248 times 6 Legal Analyses
Holding no Fourth Amendment violation when officers engaged in a twenty-minute investigative detention based on reasonable suspicion and "emphasiz[ing] the need to consider the law enforcement purposes to be served by the stop as well as the time reasonably needed to effectuate those purposes"
Section 23152 - Unlawful driving under the influence
Cal. Veh. Code § 23152 Cited 3,013 times 1 Legal Analyses
Driving under the influence
Section 1203 - Referral to probation officer; investigation; report
Cal. Pen. Code § 1203 Cited 1,153 times
Proscribing use or attempted use of a "deadly weapon"
Section 21658 - Roadway divided into two or more lanes for traffic in one direction
Cal. Veh. Code § 21658 Cited 88 times
Driving under the influence

Bulk Scanned Documents

39 Cited authorities

Holding that a warrant may issue only when probable cause exists under the "totality-of-the-circumstances"

Holding that a police officer who has reasonable suspicion of criminal activity may conduct a brief investigative stop

Holding DEA agents had reasonable suspicion to stop Sokolow after evidence from his travel plans and demeanor raised the agents' suspicion of his involvement in illegal drug activity

Holding the State need not prove knowing-and-deliberate consent to search

Holding that officers had probable cause to arrest an occupant of a car even in the absence of direct evidence indicating that he knew there was cocaine inside the vehicle

Holding that failure to recognize a reasonable expectation of privacy in a telephone booth would "ignore the vital role that the public telephone has come to play in private communication"

Holding that police who obtained evidence voluntarily from a suspect's wife did not need a search warrant because the officers exerted no effort to coerce or dominate her and were not obligated to refuse her offer to take the evidence

Holding warrantless breath tests, but not blood tests, are permitted as searches incident to arrest under the Fourth Amendment

Holding that officers didn't exceed the scope of consent when suspect told them they could search the entire car and they searched containers within the car

Holding no Fourth Amendment violation when officers engaged in a twenty-minute investigative detention based on reasonable suspicion and "emphasiz[ing] the need to consider the law enforcement purposes to be served by the stop as well as the time reasonably needed to effectuate those purposes"

Driving under the influence

Proscribing use or attempted use of a "deadly weapon"

Driving under the influence