Aired: 12/21/2020
A friend, a final phone call, and a social media chat log point to a stalker and serial killer who might never have been caught.
Aired: 12/22/2020
Aired: 12/23/2020
Aired: 12/24/2020
Aired: 12/25/2020
Aired: 12/28/2020
Aired: 12/29/2020
Aired: 12/30/2020
Aired: 12/31/2020
Aired: 1/1/2021
