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  2. Katz v. United States - Wikipedia

    en.wikipedia.org/wiki/Katz_v._United_States

    Katz v. United States, 389 U.S. 347 (1967), was a landmark decision of the U.S. Supreme Court in which the Court redefined what constitutes a "search" or "seizure" with regard to the Fourth Amendment to the U.S. Constitution.

  3. Category : United States Fourth Amendment case law

    en.wikipedia.org/wiki/Category:United_States...

    Pages in category "United States Fourth Amendment case law" The following 200 pages are in this category, out of approximately 253 total. This list may not reflect recent changes .

  4. Johnson v. United States (1948 Fourth Amendment case)

    en.wikipedia.org/wiki/Johnson_v._United_States...

    Johnson v. United States, 333 U.S. 10 (1948), was a significant United States Supreme Court decision addressing search warrants and the Fourth Amendment.In this case, where federal agents had probable cause to search a hotel room but did not obtain a warrant, the Court declared the search was "unreasonable."

  5. Fourth Amendment to the United States Constitution - Wikipedia

    en.wikipedia.org/wiki/Fourth_Amendment_to_the...

    The Bill of Rights in the National Archives. The Fourth Amendment (Amendment IV) to the United States Constitution is part of the Bill of Rights.It prohibits unreasonable searches and seizures and sets requirements for issuing warrants: warrants must be issued by a judge or magistrate, justified by probable cause, supported by oath or affirmation, and must particularly describe the place to be ...

  6. Mapp v. Ohio - Wikipedia

    en.wikipedia.org/wiki/Mapp_v._Ohio

    Mapp v. Ohio, 367 U.S. 643 (1961), was a landmark U.S. Supreme Court decision in which the Court ruled that the exclusionary rule, which prevents a prosecutor from using evidence that was obtained by violating the Fourth Amendment to the U.S. Constitution, applies to states as well as the federal government.

  7. Riley v. California - Wikipedia

    en.wikipedia.org/wiki/Riley_v._California

    Riley v. California, 573 U.S. 373 (2014), [1] is a landmark United States Supreme Court case in which the court ruled that the warrantless search and seizure of the digital contents of a cell phone during an arrest is unconstitutional under the Fourth Amendment.

  8. Kaufman v. United States - Wikipedia

    en.wikipedia.org/wiki/Kaufman_v._United_States

    Kaufman v. United States, 394 U.S. 217 (1969), was a United States Supreme Court case decided in 1969. In a majority opinion authored by Justice William J. Brennan, Jr., the Court held that criminal defendants could bring claims that evidence against them was obtained in violation of the Fourth Amendment to the United States Constitution in a collateral attack under the federal habeas corpus ...

  9. United States v. United States District Court - Wikipedia

    en.wikipedia.org/wiki/United_States_v._United...

    United States v. U.S. District Court, 407 U.S. 297 (1972), also known as the Keith Case, was a landmark United States Supreme Court decision that upheld, in a unanimous 8-0 ruling, the requirements of the Fourth Amendment in cases of domestic surveillance targeting a domestic threat.