 The Kennedys were in the rear seat of the car, the governor of Texas, John Connally, and his wife, Nellie Connally, were in the middle row, Secret Service agent William Greer was driving and the president's bodyguard, Roy Kellerman, was also in the front row.Hill was riding on the left front running board of the Secret Service car immediately behind the presidential limousine.After the second shot, Hill began running to overtake the moving car in front of him, but the third shot had hit Kennedy in the head by the time that he arrived at the limousine.