CNN  — 

His was a tumultuous childhood with a largely absent father and a “crazy relationship” with his mother, but it was when Terence Crawford got shot in the head he realized he had to turn his life around.

The fledgling professional boxer was sitting in his car in the early hours of the morning after a dice game in his native Omaha, Nebraska when shots rang out and a bullet ripped through the back window and slashed his head below the ear.