Fourth Amendment U.S. Supreme Court Cases

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    Fourth Amendment Cases


    The Case Question Did the search and seizure of Weeks' home violate the Fourth Amendment?
  • Olmstead v. United States

    Olmstead v. United States
    The Case Roy Olmstead was a suspected bootlegger. Without judicial approval, federal agents installed wiretaps in the basement of Olmstead's building and in the streets near his home. Olmstead was convicted with evidence obtained from the wiretaps. Did the use of evidence disclosed in wiretapped private telephone conversations, violate the recorded party's Fourth and Fifth Amendments?
  • Mapp v. Ohio

    Mapp v. Ohio
    The Case: 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.Were the confiscated materials protected by the First Amendment? May evidence obtained through a search in violation of the Fourth Amendment be admitted in a state criminal proceeding?
  • Katz v. United States

    Katz v. United States
    The Case: Acting on a suspicion that Katz was transmitting gambling information over the phone to clients in other states, Federal agents attached an eavesdropping device to the outside of a public phone booth. Based on recordings of his end of the conversations, Katz was convicted for the illegal transmission of wagering information. Does the Fourth Amendment require the police to obtain a search warrant?
  • Terry v. Ohio

    Terry v. Ohio
    The Case Terry and two other men were observed by a plain clothes policeman in what the officer believed to be "casing a job, a stick-up." The officer stopped and frisked the three men, and found weapons on two of them. Terry was convicted of carrying a concealed weapon and sentenced to three years in jail. Was the search and seizure of Terry and the other men in violation of the Fourth Amendment?
  • New Jersey v. T.L.O.

    New Jersey v. T.L.O.
    The Case: T.L.O. was a fourteen-year-old; she was accused of smoking in the girls' bathroom of her high school. A principal at the school questioned her and searched her purse, yielding a bag of marijuana and other drug paraphernalia. Did the search violate the Fourth and Fourteenth Amendments?
  • California V. Greenwood

    California V. Greenwood
    The Case: The police suspected Billy Greenwood was dealing drugs from his home. Because the police did not have enough evidence for a warrant to search his home, they searched the garbage bags Greenwood had left at the curb for pickup. The police uncovered evidence of drug use, which was then used to obtain a warrant to search his house. Did the warrantless search and seizure of Greenwood's garbage violate the 4th Amendment.
  • Horton v. California

    Horton v. California
    The Case: The issue: Whether incriminating items found in “plain view” during the execution of a search warrant, can be lawfully seized?
  • Minnesota v. Dickerson

    Minnesota v. Dickerson
    [The Case](http On November 9, 1989, while exiting an apartment building with a history of cocaine trafficking, Timothy Dickerson spotted police officers and turned to walk in the opposite direction. In response, the officers commanded Dickerson to stop and proceeded to frisk him. An officer discovered a lump in Dickerson's jacket pocket, and, upon further tactile investigation, formed the belief that it was cocaine.
  • United States v. Jones

    United States v. Jones
    The Case: Antoine Jones was arrested for drug possession after police attached a tracker to Jones's Jeep -- without judicial approval -- and used it to follow him for a month. Did the warrantless use of a tracking device on Jones's vehicle to monitor its movements on public streets violate Jones' Fourth Amendment rights?