 He spent 12 years, 7 months, and 17 days on death row as his case was appealed through the state and federal court systems.The crime for which Fox paid with his life was his first criminal conviction, but Fox had been increasingly aggressive toward women in the months before the murder of 18-year-old Leslie Renae Keckler, testimony at his trial revealed.In fact, it was the victim of a previous encounter with Fox who helped police break the case.