Investigators are using cadaver dogs to search for possible buried secrets in a southern California house of horrors. Nancy Grace updates the bizarre Turpin family case with psychologist Dr. Jessie Borelli, psycho analyst Dr. Bethany Marshall, forensics expert Joseph Scott Morgan, and reporter Chuck Roberts. Reporter Scott Kembler joins Nancy to look at the mysterious death of Kathleen Dawn West. The 42-year-old Alabama mom was found dead outside her home near Birmingham, only partially dressed, RadarOnline.com reporter Alexis Tereszcuk shares details of a case in which a teenager was convicted of killing her friend, thanks to a Facebook selfie that revealed a key piece of evidence in the strangulation death.