In Oliver v. United States and its companion case, the Supreme Court reaffirmed that the Fourth Amendment did not require a warrant for police entry into open fields to investigate cannabis cultivation, even behind fences or no-trespassing signs. It distinguished these fields from the home and its immediately associated surroundings, which retain constitutional protection.[1]
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References
- US Supreme Court — Oliver v. United States, 466 U.S. 170 (1984), opinion reproduced by Cornell LIIPages 173–184, facts and majority discussion of open fields and curtilagearchived
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