The search for Virginia mom Bellamy Gamboa is focused on Chesapeake Bay after an admission by her ex boyfriend. Nancy Grace talks to Bellamy's sister Charisse Gamboa, about her sister's disappearance. They are joined by lawyer Kathleen Murphy, forensics expert Joseph Scott Morgan, psychiatrist Dr. Judith Joseph, and CrimeOnline reporter Leigh Egan. Police are following new leads in the search for missing Iowa college student Mollie Tibbetts. Her cousin Morgan Collum discusses the search and investigation with Nancy and her expert panel, including private investigator Vincent Hill, lawyer Ashley Willcott, and psychologist Caryn Stark.