The following excerpt is from Warr v. Liberatore, 20-1165-cv (2nd Cir. 2021):
this objective inquiry must look at the facts an arresting officer knew at the time of arrest. See Devenpeck v. Alford, 543 U.S. 146, 153 (2004) ("[A]n arresting officer's state of mind (except for facts that he knows) is irrelevant to the existence of probable cause." (emphasis added)).
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