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 and re-enacting the assassination of the president. The assassination has been the subject of many time travel and alternate history stories in science fiction film, television and literature, many with Kennedy and/or Oswald surviving or other people in the Presidential limousine dead. Some of these have Governor John Connally killed in place of Kennedy. A pair of alternate history films called "The Trial of Lee Harvey Oswald" made in 1964 and 1977 have the accused assassin not being killed by Jack Ruby and standing trial for the murder of President Kennedy. Neither film ends in a verdict: the earlier movie