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Here Are 21 Awful Couples Who Committed Atrocious Crimes Against Humanity

Merriam-Webster defines folie à deux (translation: double madness) as "the sharing of delusional ideas by two people who are closely associated."

🚨WARNING: This post contains disturbing content — viewer and reader discretion is advised.🚨

True crime is one of my many passions in life — learning about serial killers and their pathologies is truly fascinating, if not terrifying at times.

One of my favorite ways to learn about true crime is via podcast — specifically Morbid: A True Crime Podcast. One of their most recent episodes was about The Sunset Killers, who were a COUPLE! And after further investigation, I found out that couples who kill aren't one-off, but quasi-common!

Playlist cover for Morbid: A True Crime Pocast

So here's a list of the most dangerous couples in history — and if you're so inclined to learn more, a podcast episode:

1. Karla Homolka and Paul Bernardo, aka The Ken and Barbie Killers:

Karla Homolka in a car on the way to her trial

2. Bonnie Parker and Clyde Barrow:

Clyde Barrow posing for a photo with Bonnie Parker in front of their car

3. Myra Hindley and Ian Brady, aka the "Moors Murders":

Mugshots of Ian Brady and Myra Hindley

4. Christine Paolilla and Chris Snyder, aka the "Clear Lake Massacre":

Christine Paolilla and Chris Snyder posing for a photo together

5. Jasmine Richardson and Jeremy Steinke, aka the Richardson Family Murders:

A blurry image of Jasmine Richardson holding a gun

6. Kim Edwards and Lucas Markham, aka the "Twilight killers":

The mugshots of Lucas Markham and Kim Edwards

7. Bailey Boswell and Aubrey Trail, aka the "Tinder Murder":

8. Catherine and David Birnie, aka the "Moorhouse Murders":

Mugshots of David and Catherine Birnie

9. Martha Beck and Raymond Fernandez, aka the "Lonely Hearts Killers":

A candid shot of Raymond Fernandez and Martha Beck

10. Gwendolyn Graham and Cathy Wood, aka the "Lethal Lovers":

News footage of Catherine Wood at her parole hearing

11. Faye and Ray Copeland:

Ray Copeland being escorted to jail

12. Monique Olivier and Michel Fourniret, aka the "Virgin Hunters":

Mugshots of Monique Olivier and Michel Fourniret

13. Sarah and John Makin, aka the "Baby Farmers":

14. Inessa Tarverdiyeva and Roman Podkopaev, aka "The Gang of Amazons":

Inessa Tarverdiyeva sitting in court

15. Henry Lee Lucas and Ottis Toole, aka the "Confession Killers":

Henry Lee Lucas sitting in his prison cell

16. Debra Brown and Alton Coleman:

Alton Coleman and Debra Brown standing in a courtroom

17. Caril Ann Fugate and Charles Starkweather:

Caril Ann Fugate and Charles Starkweather posing for a photo together

18. Cindy Hendy and David Parker Ray, aka the "Toy Box Killer":

19. Rosemary and Fred West:

Rosemary and Fred West posing for a photo

20. Carol Bundy and Doug Clark, aka the "Sunset Strip Killers":

Carol Bundy standing for trial

21. Lastly, Cynthia Coffman and James Gregory Marlow:

A screengrab of Cynthia Coffman and James Marlow