Season 3

In the fall of 2003 in Hammond, Indiana, a string of disappearances leads detectives to a seemingly ordinary trophy shop worker and a horrific discovery in his basement reveals him to be a sadistic serial killer who has been preying on the town's teens.

A suspected home invasion in Connecticut leaves a mother dead in the basement and her husband injured; detectives learn there's more to the story.

Detectives investigate a grandmother's death after a mysterious basement fire and discover the killer may be closer than anyone imagined.