Assassination of John F. Kennedy or completely stop, the Warren Commission — based on the Zapruder film — found that the limousine had traveled an average speed of 11.2 miles per hour over the 186 ft of Elm Street immediately preceding the fatal head shot. Within one second of each other, President Kennedy, Governor Connally, and Mrs. Kennedy all turned abruptly from looking to their left to looking to their right, between Zapruder film frames 155 and 169. Connally, like the President, was a World War II military veteran but unlike him, a longtime hunter. Connally testified that he immediately recognized the sound as that
Assassination of John F. Kennedy rifle was consistent with the fibers and colors of the shirt Oswald was wearing at the time of his arrest. A bullet found on Governor Connally's hospital gurney and two bullet fragments found in the Presidential limousine were ballistically matched to this rifle. The staff at Parkland Hospital's Trauma Room 1 who treated President Kennedy observed that his condition was moribund, meaning that he had no chance of survival upon arriving at the hospital. George Burkley, the President's personal physician, stated that a gunshot wound to the skull was the cause of death. Burkley signed President Kennedy's death certificate. The