Plot Synopsis

THE FIRST 48: THE KILLER AT HOME features updates on cases from THE FIRST 48, including all-new interviews with the detectives involved with the case. On Saturday, July 2, 2016 from 9-11pm ET/PT, A&E premiered back-to-back episodes with these stories:

"Bad Seed" (July 2 at 9pm): In Dallas, a 72-year-old grandmother is found beaten to death inside her home. Detective Tommy Raley discovers that his suspect may be someone she trusted.

"Behind Closed Doors" (July 2 at 10pm): In Cleveland, a mother is found strangled and burned in her kitchen, but Detectives Nate Sowa and Ray Diaz have no witnesses and little evidence to track down her killer.