Former CIA Agent John Stockwell Talks about How the CIA Worked in Vietnam and Elsewhere Mehr 7, 1396 AP · John Stockwell left the CIA when he decided that what they were doing was endangering ... Duration: 15:13 Posted: Mehr 7, 1396 AP https://www.youtube.com/watch?v=NK1tfkESPVY John R. Stockwell (born 1937) is an American former CIA officer who became a critic of United States government policies after serving seven tours of duty over thirteen years. Having managed American involvement in the Angolan Civil War as Chief of the Angola Task Force during its 1975 covert operations, he resigned and wrote In Search of Enemies.