439 U.S. 128 (1978) Cited 6,398 times 27 Legal Analyses
Holding that the determinative question is "whether the person who claims the protection of the Amendment has a legitimate expectation of privacy in the invaded place"
496 U.S. 128 (1990) Cited 3,186 times 13 Legal Analyses
Holding in the Fourth Amendment context that “evenhanded law enforcement is best achieved by the application of objective standards of conduct, rather than standards that depend upon the subjective state of mind of the officer”
547 U.S. 843 (2006) Cited 1,354 times 21 Legal Analyses
Holding that a similarly worded condition imposed on all California parolees did not violate the Fourth Amendment, even without the reasonable suspicion restriction
525 U.S. 83 (1998) Cited 1,664 times 10 Legal Analyses
Holding that a guest lacked a legitimate expectation of privacy in his host's apartment because there was nothing "similar to the overnight guest relationship in Olson to suggest a degree of acceptance into the household"
494 U.S. 325 (1990) Cited 2,363 times 20 Legal Analyses
Holding that, incident to arrest, an officer may conduct a limited protective sweep of those areas of a house in which he reasonably suspects a dangerous person may be hiding
524 U.S. 357 (1998) Cited 595 times 7 Legal Analyses
Holding that the exclusionary rule does not apply to exclude evidence obtained in violation of the Fourth Amendment in state parole revocation hearings