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 the NBC bulletins have been assumed "lost" as they did not start recording coverage until minutes later. However, audio engineer Phil Gries rolled tape on a set of audio recordings on a 1/4" reel to reel audiotape recorder. These have been donated to the John F. Kennedy Presidential Library. However, NBC, in its book on the coverage of the assassination, mentioned the bulletins.) At 1:53 p.m. (EST), NBC broke into programming with a NBC Network bumper slide and Chet Huntley and Bill Ryan began informing the viewers what was going on as it happened. However, NBC's camera was not ready