Samantha Josephson was just weeks away from graduating from University of South Carolina and headng to law school when she made a fatal mistake.\xa0The 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\xa0forensics expert\xa0Karen Smith, South Carolina medical examiner Dr. Michelle Dupre --author of "Homicide Investigation Field Guide,"\xa0forensic psychiatrist\xa0Dr. Daniel Bober,\xa0North Carolina family and divorce lawyer Kathleen Murphy,\xa0and\xa0Crime Stories reporter\xa0Robyn Walensky.