Known as the town bully, Ken Rex McElroy terrorized tiny Skidmore, Mo. for decades. On July 10, 1981, the town had enough and 60 people surrounded his pickup truck and shot him dead on Main Street -- but no one claimed to see a thing.

Ken Rex's widow, Trena, comes forward with eyewitness testimony but investigators derail her at every turn. Rex's background and controversial relationships come to light. A brewing federal investigation threatens Skidmore's secret.