John Wilkes Booth came up to the president's box, pulled out a gun and shot Lincoln in the back of the head. After realizing what had just occurred, the first lady gasped and cried out. John Wilkes Booth tangled with their guest, Henry Rathbone, then out of an act of desperation, Booth jumped out of the box. 11 feet later, he had a broken leg and ankle. He got up and ran.