arkable story of the investigation and manhunt for one of the most prolific serial arsonists in United States history. The reign of terror started in June 2003, killing four innocent people and burning through Maryland, Virginia, and the District of Columbia, and ended when the DC Arson Task Force arrested Thomas Anthony Sweatt. As told by Robert M. Luckett, one of the chief investigators, Solving For X offers a unique, insider's perspective on a truly shocking arson case.