Plot: After the body of a teenage boy is found dead in a warehouse, detectives use DNA to connect the boy to a convicted rapist and serial killer, then to the boy's mother, Allison Ashburn, the convict's ex-wife. While trying to solve Danny's murder, Fontana and Green learn that he recently got his girlfriend Tina pregnant, and his mother had seen him recently when she had given him money despite having claimed she hadn't seen him for months