Angelika Graswald, who was convicted of criminally negligent homicide in the drowning death of her fiancé Vincent Viafore, is now demanding a his $491,000 accidental death insurance payoff. Nancy Grace explores the case with reporter David Hopkins, lawyer Ashley Willcott, psychologist Caryn Stark, and forensics expert Karen Smith in this episode. Cleveland investigators have resolved -- at least partially -- the mystery of a child's remains found in the backyard of an abandoned house. The boy has been identified as 4-year-old Eliazar Ruiz. Syndicated radio host David Mack reports.