WFourth Amendment to the United States ConstitutionWMotor vehicle exceptionWOpen-fields doctrineWAmerican Civil Liberties Union v. National Security AgencyWCommonwealth v. MatosWFBI–Apple encryption disputeWFlorida v. HarrisWFlorida v. JardinesWHouse v. NapolitanoWIn re Application of the United States for Historical Cell Site DataWKlayman v. ObamaWMosaic theory (US law)WStop and identify statutesWUnited States v. CottermanWUnited States v. Pineda-MorenoWUnited States v. Warshak