Respondent Mena and others were detained in handcuffs during a search of the premises they occupied. Petitioners were lead members of a police detachment executing a search warrant of these premises for, inter alia, deadly weapons and evidence of gang membership. Mena sued the officers under 42 U. S. C. §1983, and the District Court found in her favor. The Ninth Circuit affirmed, holding that the use of handcuffs to detain Mena during the search violated the Fourth Amendment and that the officers' questioning of Mena about her immigration status during the detention constituted an independent Fourth Amendment violation.

Held:

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