black propaganda

Intelligence on Vietnam War 'faked' : One of America's top spy agencies faked key intelligence used to justify its intervention in the Vietnam War, it has been revealed. But the revelation was kept secret by the National Security Agency, partly because of fears that it would boost criticism of the intelligence services over the war in Iraq. According to material uncovered by the NSA's own historian, Robert Hanyok, middle-ranking officers altered material relating to the Gulf of Tonkin incident.