Missouri Gov. Eric Greitens is battling to keep his political career alive as a man accuses the governor of blackmailing his former wife with a nude photo taken during an extramarital sex session. Nancy Grace discusses the legal issues involved with Los Angeles criminal defense lawyer Nima Haddadi, Chicago psychologist Dr. Tiffany Sanders, and reporter Art Harris. Investigators need help identifying a 4-year-old boy whose remains were found in rubble behind an abandoned house in Cleveland. Nancy and guest look at the mystery.