12 Bone-Chilling Serial Killer Documentaries on Netflix Now

This episode of "Catching Killers" recounts how the investigation of a Kansas serial killer in the 1970s reemerged after 30 years. Having bound, tortured, and killed his many victims, the killer nicknamed himself BTK. Using DNA technology and the media's help, the community caught the serial killer, Dennis Rader, after a three-decade-long manhunt.

Watch Catching Killers S:1E:2, "Bind. Torture. Kill: BTK" on Netflix.