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.

Director Oliver Stone and author Jim DiEugenio recount their research into who assassinated former President John F. Kennedy and explain why they would like to see the investigation reopened on ‘Jesse Watters Primetime.