Investigators reveal new evidence that makes Robert Wagner their 'person of interest' in Natalie Wood's death

Los Angeles sheriff's investigators go on record with suspicions about how Natalie Wood died in 1981, naming the actress's husband Robert Wagner a "person of interest." Nancy Grace digs into the latest revelations with lawyer & psychologist Dr. Brian Russell, death scene investigator Joseph Scott Morgan, and reporter John Lemley. Grace and guests also look at the case against a California woman who admitted to intentionally driving into incoming traffic on a busy freeway in a failed suicide attempt, causing a fatal crash that killed a young father.