Without probable cause, a police officer cannot search other persons who happen to be present at the scene of a search.

警察没有正当理由不能对碰巧出现在搜查现场的人进行搜查。

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Without any probable cause for search, this is a violation of the Fourth Amendment.

FORBES: Connect

Police were free to employ the tactic for any reason without showing probable cause to a magistrate and getting a search warrant, the government said.

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This case and a separate and still pending appeal over police intrusions into homes and cars could have a far-reaching impact on when a person's private contents can be subjected to a search without clear probable cause or a valid warrant.

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