Mapp V. Ohio Essay

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Mapp v. Ohio Supreme Court Case in 1961 is historically significant as it was a turning point that changed our legal system by extending the exclusionary rule that existed at the federal level to include state courts. The exclusionary rule prevents the use of evidence obtained through an illegal search and seizure, without a warrant, to be use against the defendant in court. Before this case, each state decided whether to adopt the exclusionary rule. At the time of this case, twenty-four states were not using the exclusionary rule. The decision of this case meant that all stated needed to comply with the exclusionary rule of the Fourth Amendment through the due process clause of the Fourteenth Amendment. Mapp v. Ohio is an important case as The court said evidence seized unlawfully, without a search warrant, could not be used in criminal prosecutions in state courts (Administrative Office of the U.S. Courts). In this case, the decision of the United States Supreme Court extended the exclusionary rule to state criminal trials. The decision in Mapp also ushered in the Warren Court’s “criminal due process revolution.” Under the leadership of Chief Justice Warren, the Court began using the process of “selective incorporation,” to apply constitutional guarantees in the Bill of Rights to the states. Chief Justice Warren assigned Justice Tom C. Clark to write the majority opinion for Mapp v. Ohio, 367 U.S. 643 (1961). Immediately following the Judicial Conference, Justices Clark, Black, and Brennan held an impromptu "rump caucus" in an elevator (Mapp v Ohio - 367). The majority opinion, written by Justice Clark, states that all evidence obtained in an illegal search cannot be used as evidence in a state criminal trial. Justice Clark notes that the search that was done was clearly unconstitutional and the petitioner’s rights had been violated. Clark also noted that the Fourteenth Amendment guarantees that the individual will be protected from the state in cases like this, as it is the Fourteenth Amendment that extends Constitutional protections that the individual enjoys to from the federal level to the state

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