We asked the BuzzFeed Community to tell us their favorite serial killer documentaries. Here are the scary results.
2. Serial Killers: John Wayne Gacy (1999)
So clowns aren't ~really~ scary...except when the clown is a seemingly nice guy who is actually a serial murderer. A&E goes deep into Gacy's life so you can be even more spooked by his story.
Where you can watch it: YouTube
3. This Is the Zodiac Speaking (2007)
Released as a feature on the Zodiac (2007) DVD, this doc shows interviews with original investigators from the iconic case.
Where you can watch it: YouTube
4. Ted Bundy: The Mind of a Killer (2000)
He confessed to killing more than 28 women in the 1970s. This movie will pretty much make you feel like you can't trust anyone.
Where you can watch it: YouTube
—Richard Erick, Facebook
6. Tales of the Grim Sleeper (2014)
Lonnie Franklin's DNA matched with over 20 possible murder victims, and Tales of the Grim Sleeper features interviews with people who knew him best — making for creepy insight into one of Los Angeles's worst murder sprees ever.
Where you can watch it: HBO Go
—Jordan Christine, Facebook
9. Serial Killers: The Real Life Hannibal Lecters (2001)
If you saw The Silence of the Lambs and thought, This is messed up, you'll enjoy this film, mostly because the serial killers discussed in this movie are all equally — if not more — horrifying as the fortunately fictional Hannibal Lecter.
Where you can watch it: YouTube
—Daniel Richards, Facebook
10. Serial Killers: Jack the Ripper (The Whitechapel Murderer) (2008)
This documentary interviews experts who pick apart the details of the case of Jack the Ripper, one of England's most notorious serial killers EVER. There was SO MUCH BLOOD, YOU GUYS.
Where you can watch it: YouTube
—Jenny Mantini, Facebook
11. I Survived BTK (2010)
Dennis Rader was a respected church leader and family man in his hometown who bound, tortured, and killed victims (hence his nickname, "The BTK Killer") — all the while tormenting the police with letters describing the murders.
Where you can watch it: Amazon
—Jessica Baumgardner, Facebook
12. The Pig Farm (2011)
Robert “Willie” Pickton was a millionaire pig farmer — and one of Canada’s most notorious serial killers. This documentary studies the crimes committed by him and his brother, and will make you question whether or not you should ever trust your neighbors or friends.
Where you can watch it: iTunes
13. Ed Gein: The Real Leatherface (2004)
Though not ~technically~ a serial killer by definition, Gein is close enough, and his story is MESSED UP. His "necrophiliac tendencies" have inspired horrifying characters like Leatherface in The Texas Chainsaw Massacre. Hell nah.
Where you can watch it: YouTube
—Jenny Mantini, Facebook
14. Richard Ramirez: The Night Stalker (2004)
Ramirez brutally raped and murdered over a dozen people during a two-year period, and was supposedly into Satanic worship. This documentary delves deep into his mind — and it's obviously terrifying.
Where you can watch it: YouTube
—Mallory Amanda, Facebook
15. Gary Ridgway: The Green River Killer (2003)
Gary Ridgway was convicted of 48 horrifying murders and confessed to even more — this movie shows interviews with local police and Ridgway's family members, and it will LITERALLY CHILL YOU TO THE BONE.
Where you can watch it: YouTube
—Jessica Coffey, Facebook
16. Confessions of a Serial Killer: Jeffrey Dahmer (1994)
MSNBC sat down with the man who raped, murdered, and ate 17 men from the late ’70s to the early ’90s. The scariest part? His overall calmness when discussing the reasons behind his actions.
Where you can watch it: Top Documentary Films
—Debbie Ann, Facebook
18. And Aileen: Life and Death of a Serial Killer (2003)
Was Aileen Wuornos sane or not? This film discusses the controversial question, and ends with her chilling final statement before death: "I'm sailing with the Rock, and I'll be back. Like Independence Day with Jesus, June 6, like the movie, big mothership and all. I'll be back."