https://www.aclu.org/press-releases/california-highway-patrol-bans-consent-searches
California Highway Patrol Bans Consent Searches | American Civil Liberties Union
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https://www.erowid.org/freedom/courts/state/state_supreme_mn_case1_comment1.shtml
Erowid Law Vaults : Minnesota Supreme Court : MN Supreme Court bans traffic 'consent searches'
Minnesota Supreme Court rules that police are not allowed to ask drivers for consent to search their vehicles without reasonable suspicion of a crime.
minnesota supreme courterowidlawvaults