18 U.S.C. § 3055 — Officers’ powers to suppress Indian liquor traffic

The chief special officer for the suppression of the liquor traffic among Indians and duly authorized officers working under his supervision whose appointments are made or affirmed by the Commissioner of Indian Affairs or the Secretary of the Interior may execute all warrants of arrest and other lawful precepts issued under the authority of the United States and in the execution of his duty he may command all necessary assistance.