What is Mapp v. Ohio?
{{italic title}} {{Infobox SCOTUS case |Litigants=Mapp v. Ohio |ArgueDate=March 29 |ArgueYear=1961 |DecideDate=June 19 |DecideYear=1961 |FullName=Dollree Mapp v. State of Ohio |USVol=367 |USPage=643 |Citation=81 S. Ct. 1684; 6 L. Ed. 2d 1081; 1961 U.S. LEXIS 812; 86 Ohio L. Abs. 513; 16 Ohio Op. 2d 384; 84 A.L.R.2d 933 |Prior=Defendant convicted, [[Cuyahoga County, Ohio|Cuyahoga County]], [[Ohio Courts of Common Pleas|Ohio Court of Common Pleas]]; affirmed, [[Ohio Court of Appeals]]; affirmed, 166 N.E.2d 387 (Ohio 1960) |Subsequent=Rehearing denied, 368 U.S. 871 (1961) |Holding=The Fourth Amendment prohibition against unreasonable searches and seizures, as applied to the states through the Fourteenth, excludes unconstitutionally obtained evidence from use in criminal prosecutions. Ohio Supreme Court reversed. |SCOTUS=1958-1962 |Majority=Clark |JoinMajority=Warren, Black, Douglas, Brennan |Concurrence=Black |Concurrence2=Douglas |Concurrence3=Stewart |Dissent=Harlan |JoinDissent=Frankfurter, Whittaker |LawsApplied=[[Fourth Amendment to the United States Constitution|U.S. Const. amends. IV]], [[Fourteenth Amendment to the United States Constitution|XIV]] |Overturned previous case = [[Wolf v. Colorado]] }} '''''Mapp v. Ohio''''', [http://supreme.justia.com/cases/federal/us/367/643/case.html 367 U.S. 643] (1961), was a [[landmark decision]] in [[criminal procedure]]. The [[United States Supreme Court]] ruled that [[evidence]] obtained in [[wikt:violation|violation]] of the [[Fourth Amendment to the United States Constitution|Fourth Amendment]] may not be used at [[trial]] in a state [[court]].<ref name=mvoLII>{{cite web |url=https://www.law.cornell.edu/supremecourt/text/367/643 |title=Mapp v. Ohio |publisher=Legal Information Institute/Cornell University School of Law |access-date=13 February 2016}}</ref> == Circumstances == On May 23, 1957, in [[Cleveland, Ohio]], three [[police officer]]s arrived at the home of a Miss Mapp, the [[appellant]].<ref name=mvoLII/> The offic