CJ 100 Lecture Notes - Lecture 5: Terry Stop, Police Dog, Imaging Technology
16 Feb 2017
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Plain view doctrine *this includes areas visible from the air: if it is out and about and anyone could have seen the crime (aka growing weed in backyard) than police can see. Plain feel and plain smell: *police dogs who sniff luggage in public places are not conducting searches (so you are not subject to 4th amendment protections) Exclusionary rule is created (1914): empowered the 4th amendment. Extended the exclusionary rule to the states (via the due process clause in the 14th amendment) Suspected of doing betting/gambling activity across state lines. Police couldn"t get a search warrant so they followed him. Same time everyday he would go into phone booth and have a lengthy conversation. Sure enough they caught him with a tape recorder taped to outside of phone booth. What a person knowingly exposes to the public, even in his own home or office, is not a subject of fourth amendment protection. But what you unknowingly expose is protected.
