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 Dallas. It also has Robert F. Kennedy becoming President in the late 1970s, with Martin Luther King Jr. as his Vice President, after both men were saved from their assassinations in 1968 by the same time traveler. In Stephen Baxter's novel "Voyage" (1996), the Dallas assassination attempt only succeeds in crippling Kennedy, but Jacqueline Bouvier Kennedy is killed. Kennedy is re-elected in 1964 and commits the United States to landing a manned vessel on Mars, which occurs in 1986. The novel uses the assassination attempt only as the impetus for an alternate history US space program. Jeff Golden's 2008 novel