In Mapp V Ohio, Decided in 1961, the United States Supreme Court

In Mapp v. Ohio, decided in 1961, the United States Supreme Court:

A) for the first time determined that evidence obtained in violation of the Fourth Amendment would not be admissible in federal courts.
B) upheld the Ohio Supreme Court's decision that evidence obtained by an illegal search was nevertheless admissible in state court because the Fourth Amendment applied only to federal prosecutions.
C) held that evidence obtained by an illegal search in violation of the Fourth Amendment is not admissible in either state or federal court.
D) determined that no evidence would be admissible in court unless obtained with a valid search warrant.