Real-life investigators recount stories of cold-blooded killers, the desperate efforts to stop them and the brave people who brought them to justice.
The detectives who captured the BTK Killer and other notoriously brutal murderers recount the brave actions and burdens behind their investigations.
End of the Line: The Railroad Killer
Night Terror: New York Zodiac Killer
Manhunt: The Olympic Park Bomber
Trained to Kill: The DC Sniper