The Secret Service agent who leaped onto the back of President John F. Kennedy's limousine after the president was shot has died. Clint Hill was 93.

Clint Hill, who was seen in film footage of the assassination scrambling across the back of the presidential limousine, died at his home. He was 93.

A Secret Service agent, he leaped onto the president’s limousine in Dallas in 1963 and was credited with saving the first lady’s life. But he was haunted by his inability to save her husband.