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 a square across Eighth Street, accompanied by Congressman Jim Wright, Senator Yarborough, Governor Connally and Vice President Johnson. Kennedy is praising Fort Worth's aviation industry. At 9:10 a.m., JFK takes his place in the hotel's Grand Ballroom for the scheduled speech, the First Lady arriving amid loud applause 15 minutes later. After the speech, Roy Kellerman, the Secret Service agent in charge of the trip, is advised by Kenny O'Donnell that the presidential limousine should have its bubbletop off if it's not raining in Dallas. Later, press secretary Mac Kilduff shows the First Couple a disturbing advertisement seen in "The