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.