Clint Hill, the Secret Service agent who was seen jumping onto the back of a limousine carrying President John F. Kennedy after he was assassinated in Dallas in 1963, has died. Hill died Friday at his home in California at the age of 93.

Clint Hill, the Secret Service agent who dove onto President John F. Kennedy’s uncovered limousine in Dallas in a heroic attempt to shield him from the fatal gunshots Lee Harvey Oswald fired from a sixth-floor window of the Texas School Book Depository,

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.