The assassination of former President John F. Kennedy will take center stage at a closely watched House hearing on Tuesday.

The hearing comes five decades after separate Senate and House investigations split on whether there was evidence of a conspiracy behind Kennedy's death.

Witnesses for the hearing include Oliver Stone, who directed the 1991 film "JFK" that reignited conspiracy theories about the assassination.

The award-winning director is testifying to Congress regarding thousands of newly released government documents related to ...