Samantha Josephson was just weeks away from graduating from University of South Carolina and headng to law school when she made a fatal mistake. The 21-year-old student stepped into a car she thought was her Uber ride after a night out with friends. Josephson was found dead in a rural field the next day. Nancy Grace explores this murder case with forensics expert Karen Smith, South Carolina medical examiner Dr. Michelle Dupre --author of "Homicide Investigation Field Guide," forensic psychiatrist Dr. Daniel Bober, North Carolina family and divorce lawyer Kathleen Murphy, and Crime Stories reporter Robyn Walensky.