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
Timeline of the John F. Kennedy assassination there is a "No right turn" sign on the corner of Main and Houston Streets as well as some highway progressions in other areas. The presidential motorcade began its route without incident, stopping twice so President Kennedy could shake hands with some Catholic nuns, then some school children. At 12:29 p.m. CST, the presidential limousine entered Dealey Plaza after a 90-degree right turn from Main Street onto Houston Street. Over two dozen known and unknown amateur and professional still and motion-picture photographers captured the last living images of President Kennedy. Just before 12:30 p.m. CST, President Kennedy was riding on