Season 2
The detectives who captured the BTK Killer and other notoriously brutal murderers recount the brave actions and burdens behind their investigations.
Episodes
A terrifying Kansas serial killer reemerges after 30 years. Using DNA technology and help from the media, investigators race to prevent another murder.
A serial shooter targets random pedestrians on the Phoenix streets, leading detectives on a desperate hunt for a criminal driven to kill for sport.
After multiple gay men sharing similar features go missing in Toronto, detectives follow an international tip with horrific claims of cannibalism.
As more men vanish, a fresh task force assembles. New surveillance footage and recovered computer files provide a final chance to identify the killer.
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