Two ex-spies expose the failure of U.S. agencies to acknowledge or even investigate the Saigon government’s weaknesses during last years of Vietnam war. It is an intelligence shortfall that helps explain why defeat came as a surprise and the evacuation came too late. This groundbreaking documentary was produced by ex-CIA officer Frank Snepp and features retired U.S army intelligence officer, Colonel Henry Shockley. From franksneppexclusives.com.