Amber says when she met Shawn Grate at church, he was loving, kind and attentive. She says sparks flew immediately, and they were married four months later. But shortly afterward, Amber says Shawn turned very dark. Amber says Shawn became very angry, tried to isolate her from her family and would disappear. But Amber had no idea that Shawn Grate was a suspected serial killer until a 911 call from one of his victims led to his arrest. Find out what police discovered in the house where Shawn was arrested. Did Amber miss red flags? And what does Amber claim Shawn told her that left her feeling very scared?