Overview:In the mid-1980s, two of "The Five," Gacy and Bundy, sit on death row as their murderous rampages have at last been curtailed. Meanwhile, the Green River Killer has claimed 41 lives, and with no major suspects, the case's ground-breaking task force accepts help from an unlikely source - Ted Bundy; BTK kills his own neighbor; and a decade after his first kill, Dahmer succumbs to his devious fantasies and commits his most heinous crimes to date