“From 1966 to 1976 ... The primary cause in [the] decline in FBI counterespionage and counterintelligence cases was the ceaseless demand by Presidents Johnson and Nixon to focus on the political warfare against the American left.... - "Espionage Against the United States by American Citizens, 1947-2001, Defense Personnel Security Research Center, July 2002” GovernmentCivil RightsFbiEspionageLbjNixon Book:Enemies: A History of the FBI Source: Enemies: A History of the FBI