USA HISTORY

Detailed explanation-1: -Mapp argued that her Fourth Amendment rights had been violated by the search, and eventually took her appeal to United States Supreme Court. At the time of the case unlawfully seized evidence was banned from federal courts but not state courts.

Detailed explanation-2: -Mapp v. Ohio was a 1961 landmark Supreme Court case decided 6–3 by the Warren Court, in which it was held that Fourth Amendment’s protection against unreasonable searches and seizures applied to the states and excluded unconstitutionally obtained evidence from use in state criminal prosecutions.

Detailed explanation-3: -United States, 389 U.S. 347 (1967) It is unconstitutional under the Fourth Amendment to conduct a search and seizure without a warrant anywhere that a person has a reasonable expectation of privacy, unless certain exceptions apply.

Detailed explanation-4: -Overview. The exclusionary rule prevents the government from using most evidence gathered in violation of the United States Constitution. The decision in Mapp v. Ohio established that the exclusionary rule applies to evidence gained from an unreasonable search or seizure in violation of the Fourth Amendment.