What happens when a serial killer's ex-wife and a survivor of his crimes join forces to uncover the truth? The Serial Killer Connection follows Bonnie Lou and Kara Robinson Chamberlain as they investigate the untold story of Richard "Marc" Evonitz and explore whether more victims and unanswered questions remain. Premieres Wednesday, October 7 on ID. Stream episodes on HBOMax. #SerialKillerConnection