Assassination of John F. Kennedy Service follow-up car and its driver's left arm, as well on the motorcycle officers who were riding on both sides of the President just behind his vehicle. Secret Service Special Agent Clint Hill was riding on the left front running board of the follow-up car, which was immediately behind the Presidential limousine. Hill testified that he heard one shot, then, as documented in other films and concurrent with Zapruder frame 308, he jumped off into Elm Street and ran forward to try to get on the limousine and protect the President; Hill testified to the Warren Commission that after he
Assassination of John F. Kennedy in popular culture "Unafraid: A Novel of the Possible" speculates on what would have happened had the assassination attempt been unsuccessful, with Kennedy serving two full terms as President. () Lee Harvey Oswald's rifle jams during the assassination attempt, leaving Kennedy wounded and Governor Connally dead. In the "" graphic novel, "Aftershock and Awe" (2013), the events of the television series are set within an alternate history. That history diverged from our own when Kennedy escaped assassination by visiting Cape Canaveral instead of Dallas. His survival led to an accelerated space race and diminished Cold War tensions, although a limited nuclear exchange occurred