U.S. Senate references James Elmer Mitchell's and Bruce Jessen's (pseudonyms of "Swigert" and "Dunbar") work on CIA interrogation.
Report of the Senate Select Committee on Intelligence, Committee Study of the Central Intelligence Agency's Detention and Interrogation Program (Washington, D.C.: Government Printing Office, 2014), 20-21
This report was commissioned by the CIA's Office of Technical Services (OTS) and drafted by two CIA contractors, Dr. Grayson SWIGERT and Dr. Hammond DUNBAR.