Guantanamo Bay (GTMO) Special Inquiry In 2004, the FBI initiated a special inquiry investigation into whether Bureau personnel had witnessed “any aggressive mistreatment, interrogations, or interview techniques” of detainees in Guantanamo Bay, Cuba by representatives of the military, law enforcement, or the FBI. This release consists of responses to an FBI Office of General Counsel request to Bureau personnel assigned to Guantanamo Bay between September 11, 2001 and September 2004. There were no documented incidents of mistreatment involving FBI personnel.