The person executing the search warrant may reasonably detain and search any person on the premises at the time to protect himself or herself from attack or to prevent the disposal or concealment of any item particularly described in the search warrant.
Wis. Stat. § 968.16
Detention and search of persons on premises
1993 a. 486
Official source: Wisconsin State Legislature. Reproduced from public-domain Wisconsin statutes; confirm against the official source for the current text. Not legal advice.