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 expression.

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 was obtained by …

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.

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 …

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 Amendment is …

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 …

The Supreme Court ruled in Mapp’s favor, stating that the Fourth Amendment’s protections against illegal search and seizure applied to proceedings in state courts as well as proceedings in federal …

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 challenged her …

Jul 24, 2025 · Why Is Mapp v. Ohio Important? This landmark Supreme Court case redefined the balance between individual privacy and police power by applying constitutional search protections to …

Mapp was arrested for possessing the pictures, and was convicted in an Ohio court. Mapp argued that her Fourth Amendment rights had been violated by the search, and eventually took her appeal to …