John Kiriakou

John Kiriakou is a former C.I.A. analyst and case officer, former senior investigator for the Senate Foreign Relations Committee, and former counterterrorism consultant. After leaving the C.I.A., Kiriakou appeared on ABC News in an interview with Brian Ross, during which he became the first former C.I.A. officer to confirm that the agency waterboarded detainees and label waterboarding as torture.