Science Fair Project Encyclopedia
Mapp v. Ohio
Mapp v. Ohio, 367 U.S. 643 (1961) was a landmark case in the area of U.S. criminal procedure, in which the United States Supreme Court decided that the Fourth Amendment protection against "unreasonable searches and seizures" must be extended to states as well as the federal government.
Mapp was suspected of selling drugs. Since the police did not have a warrant, they could not enter Mapp's apartment, which was on the second floor of a house. The police eventually broke in to the house without a valid warrant, waving a piece of paper they claimed to be a warrant. They restrained Mapp and began to search her apartment, but they could find no incriminating evidence. They then proceeded to search the whole house. The police found pornographic materials in the basement and pressed charges against Mapp of possessing these materials.
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