Instead of working on celebrity smiles, Los Angeles dentist Daniel Yocobi is sitting in jail on a charge of murdering his wealthy mom for her insurance money. Nancy Grace explores the murder of Violet Yocobi, the grandmother found strangled to death in her Beverly Hills mansion. forensic psychiatrist Dr. Daniel Bober, defense lawyer Troy Slaten, forensics expert Karen Smith, and reporter Pamela Furr join Grace. Bruce McArthur was known by his landscaping clients as a thoughtful man, but investigators say he killed at least 6 men and hid body parts in planters scattered across Toronto. It's a case compared to a Stephen King mystery. Nancy Grace digs into it with lawyer & psychologist Dr. Brian Russell, death scene investigator Joseph Scott Morgan, medical examiner Dr. William Morrone, and reporter John Lemley.