CIA Counterintelligence is the component of the Central Intelligence Agency with primary responsibility for counter-intelligence operations. From 1953 to 1988 it was known as the Counterintelligence Staff and operated within the Directorate of Plans; in 1988 it was succeeded by the Counterintelligence Center. Heads of CIA Counterintelligence include James Jesus Angleton (from foundation until 1974), George Kalaris (1974 to 1985), and Gardner Hathaway (1985 to 1990).
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