Leroy Fletcher Prouty served as Chief of Special Operations for the Joint Chiefs of Staff under President John F. Kennedy. A former colonel in the United States Air Force, he retired from military service to become a bank executive, and subsequently became a critic of U.S. foreign policy, particularly the covert activities of the Central Intelligence Agency about which he had considerable inside knowledge. Wikipedia*
On the C-SPAN Networks:
Fletcher Prouty has one video in the C-SPAN Video Library; the first appearance was a 1992 Forum.