Former intelligence officials say that foreign spies can exploit declassified documents even if they do not contain lethal information.
Initial indications of such a group's existence appeared in 1978 in declassified Canadian documents.
Declassified documents by the CIA have recently shed new light on this case.
Declassified documents have been revealed that show that Duck Hook considered using nuclear weapons.
Declassified British documents have stated that Lim was not actually a Communist.
Declassified documents show that the F.B.I. conducted cursory investigations of librarians and others who publicly criticized its program.
However, the report is problematic in two respects: (1) Declassified documents (e.g. the "Cherokee files") contradict its claims.
Declassified documents indicate that, as late as March 1970, the Nixon administration was hoping to garner "friendly relations" with Sihanouk.
Declassified documents reveal that there were real-life 'Manchurian Candidates' who returned to America after the war, acting as spies for the Chinese.
Declassified documents in the U.S. reveal that the Argentine military acknowledged 22,000 kidnappings and/or killings between 1975 and mid-1978.