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    17 Movies Based On True Stories That Make Them So, So, So Much Scarier

    Being based on reality adds a whole new layer of horror.

    We asked the BuzzFeed Community to tell us the scariest movies they've seen that are based on true stories. Here are the bone-chilling results:

    Warning: This post mentions heavy topics including murder, kidnapping, domestic violence, torture, and sexual assault.

    1. The Trial of the Chicago 7 (2020)

    Bobby Seale tells the judge the trial's started without his lawyer, and the judge makes a racist response.

    You can watch the trailer below:

    View this video on YouTube

    Netflix

    2. The Afflicted (2011)

    A mother beating her children with a board she calls the "board of education"

    You can watch the trailer below:

    View this video on YouTube

    Nocturnal Features

    3. 3096 Days (2013)

    Scenes of Natscha being abducted and held captive for years

    You can watch the trailer below.

    View this video on YouTube

    Midget Entertainment

    4. Scream (1996

    Drew Barrymore talking to the Scream serial killer on the phone

    You can watch the trailer below:

    View this video on YouTube

    Dimension Films

    5. The Girl Next Door (2007) and An American Crime (2007)

    A group of boys stare at a girl blindfolded and hung up by her wrists in a basement, and a young girl being given a cigarette burn by her caretaker

    You can watch the trailer for The Girl Next Door below:

    View this video on YouTube

    Starz Home Entertainment

    And the trailer for An American Crime below:

    View this video on YouTube

    Showtime

    6. Karla (2006)

    Karla and her husband filming a woman that they kidnapped passed out

    You can watch the trailer below.

    View this video on YouTube

    Christal Films / Quantum Entertainment

    7. Henry: Portrait of a Serial Killer (1986)

    Henry telling a woman he killed his own mother because she was a whore

    You can watch the trailer below.

    View this video on YouTube

    Greycat Films

    8. Spotlight (2015)

    You can watch the trailer below:

    View this video on YouTube

    Open Road Films

    9. Changeling (2008)

    Angelina Jolie as Christine Collins being tortured and gaslighted for trying to find her son

    You can watch the trailer below.

    View this video on YouTube

    Universal Pictures

    10. Cleveland Abduction (2015)

    You can watch the trailer below:

    View this video on YouTube

    Lifetime

    11. Monster (2003)

    You can watch the trailer below:

    View this video on YouTube

    Newmarket Films

    12. Zodiac (2007)

    You can watch the trailer below:

    View this video on YouTube

    Paramount Pictures

    13. Pain & Gain (2013)

    You can watch the trailer below:

    View this video on YouTube

    Paramount Pictures

    14. The Stanford Prison Experiment (2015)

    You can watch the trailer below:

    View this video on YouTube

    IFC Films

    15. My Friend Dahmer (2017)

    You can watch the trailer below:

    View this video on YouTube

    FilmRise

    16. The Black Dahlia (2006)

    You can watch the trailer below:

    View this video on YouTube

    Universal Pictures

    17. And Extremely Wicked, Shockingly Evil and Vile (2019)

    You can watch the trailer below:

    View this video on YouTube

    youtube.com

    Do you know any movies based on chilling true stories? Share them in the comments below.