Idaho Code § 67-1605

Responsibility for law enforcement at the capitol building and the supreme court building is vested in the director of the Idaho state police. In coordination with the director of the Idaho state police, Ada County and Boise City are granted jurisdiction to enforce the laws of the state of Idaho and the ordinances of Ada County and Boise City for the capitol building and the supreme court building. The director of the department of administration, or his designee, shall be responsible for security in the capitol building and the supreme court building and has the authority to contract with private contractors to provide security for persons and property in the capitol building and the supreme court building.