John F Kennedy was president of United States who died on 22nd November 1963. A classified internal report claimed that spy agency acknowledged the cover up to hide evidence from warren commission and government investigations. The cover up intended to keep investigators focused on evidence that proved “What agency believed that Lee Harvey Oswald had acted alone.
His death could have been prevented if CIA and FBI had just acted on the intelligence in their own files that day. They feared to be exposed about bungling into JFK assassin .Oswald was also murdered by Jack Ruby before trials in court.