All Available Episode
All Season 4 Episode
1. "There was a monster inside of him."
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.
2. Episode 2
3. Episode 3
4. Episode 4
5. Episode 5
6. Episode 6
7. Episode 7
8. Episode 8
9. Episode 9
