dec 18, 1967 - KATZ V. UNITED STATES, 1967

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Katz was convicted of illegal transmission of wagering information using evidence gathered from a wiretap on the outside of a public phone booth.

The Supreme Court had to decide if the Fourth Amendment required a warrant to conduct a search and seizure of a wiretap device installed on a public phone booth.

The Court held that a warrant was needed, and that Katz's rights under the Fourth Amendment were violated. Justice John Marshall Harlan established with this case an expectation of privacy, and the Court stated that the Fourth Amendment protects people, not places. This overturned the Olmstead decision.

(Lippman, Criminal Procedure, pg. 51)

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