

The investigators behind infamous serial killer cases reveal the harrowing, chilling details of their extraordinary efforts in this true crime series.

Season 1
4 Episodes • 2021

Season 2
4 Episodes • 2022
The detectives who captured the BTK Killer and other notoriously brutal murderers recount the brave actions and burdens behind their investigations.

Season 3
4 Episodes • 2023
Real-life investigators recount stories of cold-blooded killers, the desperate efforts to stop them and the brave people who brought them to justice.