So what did the witnesses tell lawmakers? Testimony from Stone and authors Jefferson Morley and James DiEugenio largely centered around criticism of the CIA and other federal officials in the decades since Kennedy's assassination.

Oliver Stone's "JFK" was nominated for eight Oscars and grossed more than $200 million but was also dogged by questions about its historical accuracy.

Oliver Stone called for the reopening of the investigation into the assassination of John F. Kennedy, as the director noted the impact that his 1991 movie JFK had on the release of records. “I ask the committee to reopen what the Warren Commission failed miserably to complete,