IE 11 is not supported. For an optimal experience visit our site on another browser.
  • UP NEXT

    The Halloween Party, Part 7

    07:00
  • The Halloween Party, Part 9

    07:52

The Halloween Party, Part 8

07:14

Almost two years after the party, the unknown male DNA on Chelsea’s costume is matched to a young man -- whose name had never come up in the investigation.