Six months after losing a world title fight that remains infamous as one of the last mob fixes in boxing, Tyrone “The Butterfly” Everett—a flashy, handsome lightweight on the verge of stardom—was dead. Only 24 years old, he was shot in the head by his girlfriend, Carolyn McKendrick, who claimed that Everett had abused her throughout their relationship. But for years, street corner talk raised doubts about what actually took place in Philadelphia at 2710 Federal Street on May 26, 1977.