Utah Code § 7-1-319
The commissioner shall inform the county attorney or district attorney in the county in which the principal office of an institution is located of any violation of any provision of law which constitutes a misdemeanor or felony by an officer, director, or employee of any institution under his jurisdiction which shall come to his notice, and upon receipt of such information the county attorney or district attorney shall institute proceedings to enforce the provisions of the law. The attorney general shall conduct all actions, suits, and proceedings begun by the commissioner under authority of law and may call to his assistance the county attorney or district attorney of the county in which the action, suit, or proceeding is conducted, and it shall be the duty of the county attorney or district attorney to render such assistance as the attorney general may require.
Utah Code § 7-1-319