By 1966, Hot Springs, Arkansas wasn’t your typical sleepy little Southern town. Once a favorite destination for mobsters like Al Capone and Lucky Luciano, illegal activities continued to lure out-of-state gamblers, flim-flam men, and high rollers to its racetracks, clubs, and bordellos. Still, the town was shaken to its core after a girl was found dead on a nearby ranch. The ranch owner claimed it was an accident. Then the rancher was found to be the killer of another woman – his fourth wife. The story begins when 13-year-old Cathie Ward was found dead after horseback riding at...