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.

Clint Hill, the Secret Service agent who leaped onto the back of President John F. Kennedy's limousine after the president was shot, then was forced to retire early because he remained haunted by memories of the assassination, died Friday. He 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.