California, United States of America
The following excerpt is from People v. Gutierrez, B258235 (Cal. App. 2016):
3. "A 'protective sweep' is a quick and limited search of premises, incident to [a search or] an arrest and conducted to protect the safety of police officers or others. It is narrowly confined to a cursory visual inspection of those places in which a person might be hiding." (Maryland v. Buie (1990) 494 U.S. 325, 327 [110 S.Ct. 1093, 108 L.Ed.2d 276]; accord, People v. Celis (2004) 33 Cal.4th 667, 677.)
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