[Code of Federal Regulations] [Title 25, Volume 1] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 25CFR12.3] [Page 56] TITLE 25--INDIANS CHAPTER I--BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR PART 12_INDIAN COUNTRY LAW ENFORCEMENT--Table of Contents Subpart A_Responsibilities Sec. 12.3 Who supervises Bureau of Indian Affairs criminal investigators? All BIA criminal investigators are supervised by other criminal investigators within the Office of Law Enforcement Services.