Mapp v. Ohio, 367 U.S. 643 (1961), was a landmark U.S. Supreme Court decision in which the Court ruled that the exclusionary rule, which prevents a prosecutor from using evidence that …

Mapp v. Ohio, case in which the U.S. Supreme Court on June 19, 1961, ruled (6–3) that evidence obtained in violation of the Fourth Amendment to the U.S. Constitution, which prohibits …

Dollree Mapp was convicted of possessing obscene materials after an admittedly illegal police search of her home for a fugitive. She appealed her conviction on the basis of freedom of …

Aug 13, 2020 · The Supreme Court's 1961 decision in Mapp v. Ohio made huge changes for the rights of those accused of a crime by deciding whether evidence gathered without a warrant …

Mapp v. Ohio: The prosecution is not allowed to present evidence that law enforcement secured during a search that was unconstitutional under the Fourth Amendment.

After losing an appeal to the Ohio Supreme Court, Mapp took her case to the U.S. Supreme Court. The Court determined that evidence obtained through a search that violates the Fourth …

Summary In Mapp, police officers entered Dollree Mapp’s home without a search warrant and found obscene materials there. Mapp was convicted of possessing these materials, but …

Jul 24, 2025 · In a 6-3 decision on June 19, 1961, the Supreme Court overturned Dollree Mapp’s conviction. The Court’s majority opinion, authored by Justice Tom C. Clark, established that …

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 …

Mapp v. Ohio (1961) Summary The rule that evidence seized in violation of the Fourth Amendment may not be used at trial, which many Americans are familiar with from television …