Assassination of John F. Kennedy jumped into Elm Street, he heard two more shots. After the President was shot in the head, Mrs. Kennedy began climbing out onto the back of the limousine, though she later didn't have any recollection of doing so. Hill believed she was reaching for something, perhaps a piece of the President's skull. He jumped onto the back of the limousine while at the same time Mrs. Kennedy returned to her seat, and he clung to the car as it exited Dealey Plaza and accelerated, speeding to Parkland Memorial Hospital. After Mrs. Kennedy crawled back into her limousine seat, both Governor
John F. Kennedy assassination conspiracy theories no evidence that the Soviet Union was involved in the assassination of President Kennedy. The House Select Committee on Assassinations also wrote: "The committee believes, on the basis of the evidence available to it, that the Soviet Government was not involved in the assassination of President Kennedy". According to some conspiracy theorists, the Soviet Union, with Nikita Khrushchev motivated by having to back down during the Cuban Missile Crisis, was responsible for the assassination. According to a 1966 FBI document, Colonel Boris Ivanov—chief of the KGB Residency in New York City at the time of the assassination—stated that it was