mapp v ohio protects the rights of the accused in terms of
Mapp v. Ohio Mapp v. Ohio, 367 U.S. 643 (1961), was a landmark case in criminal procedure, in which the United States Supreme Court decided that evidence obtained in violation of the Fourth Amendment, which protects against "unreasonable searches and seizures," may not be used in state law criminal prosecutions in state courts, as well as in federal criminal law prosecutions in federal courts as had previously been the law. The Supreme Court accomplished this by use of a principle known as selective incorporation; in Mapp this involved the incorporation of the provisions, as interpreted by the Court, of the Fourth Amendment which are applicable only to actions of the federal government into the Fourteenth Amendment due process clause which is applicable to actions of the states.
Barker v. Wingo Barker v. Wingo, 407 U.S. 514 (1972), was a United States Supreme Court case involving the Sixth Amendment to the U.S. Constitution, specifically the right of defendants in criminal cases to a speedy trial. The Court held that determinations of whether or not the right to a speedy trial has been violated must be made on a case-by-case basis, and set forth four factors to be considered in the determination.