Seymour Hersh, Huge C.I.A. Operation Reported in U.S. Against Antiwar Forces, Other Dissidents in Nixon Years. The New York Times, 21 December 1974. “The Central Intelligence Agency, directly violating its charter, conducted a massive, illegal domestic intelligence operation during the Nixon Administration against the antiwar movement and other dissident groups in the United States, according to well-placed Government sources.”
Excerpt from story:
An extensive investigation by The New York Times has established that intelligence files on at least 10,000 American citizens were maintained by a special unit of the C.I.A. that was reporting directly to Richard Helms, then the Director of Central Intelligence and now the Ambassador to Iran.
In addition, the sources said, a check of the C.I.A.’s domestic files ordered last year by Mr. Helms’s successor, James R. Schlesinger, produced evidence of dozens of other illegal activities by members of the C.I.A. inside the United States, beginning in the nineteen-fifties, including break-ins, wiretapping and the surreptitious inspection of mail….