10 U.S.C. § 375 : US Code - Section 375: Restriction on direct participation by military personnel

Search 10 U.S.C. § 375 : US Code - Section 375: Restriction on direct participation by military personnel

The Secretary of Defense shall prescribe such regulations as may
be necessary to ensure that any activity (including the provision
of any equipment or facility or the assignment or detail of any
personnel) under this chapter does not include or permit direct
participation by a member of the Army, Navy, Air Force, or Marine
Corps in a search, seizure, arrest, or other similar activity
unless participation in such activity by such member is otherwise
authorized by law.