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30 Best Horror Movies Based On True Stories

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horror movies based on true stories

I love, love, love horror movies. In fact, the only form of media that I probably love even more is true crime stories.

When those two smash together in the form of scary movies based on true stories and actual crimes, I am absolutely in seventh heaven (or is seventh Hell more appropriate?).

This Halloween, like every Halloween before it, I will put together a little horror film festival with the scariest movies to watch for my dearest friends. And this year, the theme is going to be horror movies based on true stories! Because when you know it's real, it's that much scarier.

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Below you'll find 30 of the best horror movies of all time inspired by real events. Some of them are inspired by actual crimes, while others are inspired by events surrounding them, or the lives of the people involved in these haunting endeavors.

These movies all have just one thing in common: they are terrifying. And what's worse, a little bit rooted in real life!

Try not to think too hard about that as you curl up and try to go sleep after watching them.

1. The Exorcist

Considered by many to be the scariest movie of all time, this flick tells the story of a little girl who becomes possessed and the priests who try to save her.

The movie was based on a book with the same title that was directly inspired by a reported possession that took place in Maryland. The only difference? This one was a 13-year-old boy.

2. The Deranged

In this movie, a man who is obsessed with corpses finally takes his obsession too far when he starts making his own corpses. You know, murder.

Like many other movies on this list, the main baddie in this flick was inspired by killer Ed Gein.

3. Eaten Alive

You don't want to stay at this Texas hotel! The owner might seem friendly but he's definitely going to kill you and feed you to his pet crocodiles.

The movie is based on "croc killer" Joe Ball, who murdered two women who frequented the bar he owned in Texas. He was rumored to have disposed of their bodies by feeding them to his pet crocs.

4. Psycho

That's right, this Alfred Hitchcock classic is ripped from the headlines! In the movie, the murderous Norman Bates slays those who stay at the family hotel while battling with some deeply rooted mommy issues.

The movie was based on a book by the same title that was largely inspired by the serial killer Ed Gein, who also had his share of issues where his mother was involved.

5. Audrey Rose

In this flick, a ridiculously young Anthony Hopkins becomes convinced that a young woman is his reincarnated daughter. It just gets worse from there.

The movie was based on a book written by a man who began to believe in reincarnation when his young son began playing the piano out of nowhere with no training.

6. The Texas Chainsaw Massacre

This movie has gained cult status among horror fans (like me). In it, a group of friends is terrorized in rural Texas by a family of incestuous cannibals.

The movie claimed to be based on real events, but that's only slightly true.

The main villain, Leatherface, was based on the infamous killer Ed Gein, who also made masks and lampshades from his victim's flesh.

7. The Hills Have Eyes

People go to the desert and meet other people in the desert, only these other people are a cult of crazed cannibals.

This movie was actually based on Sawney Bean, a legendary Scottish figure from the 16th Century who was said to have led his own tribe of cannibals.

8. Jaws

Just when you thought it was safe to go back in the water, Jaws came along! This ain't your average horror movie — the bad guy is a killer shark!

This movie (and book) were inspired by a string of 5 shark attacks that took place in 1916 on the coast of New Jersey.

9. The Town That Dreaded Sundown

This movie takes a simple premise and makes it harrowing: a murderer wearing simply a sack over his head terrorizes a town in Texarkana.

The movie was inspired by a similar string of murders that took place in Texarkana, where they actually went back and shot the film!

10. The Blob

In this camp horror classic from the 1950s, an alien blob of gloop attacks a small town, swallowing people up one by one.

The movie is actually inspired by a real news item. Philadelphia police officers reported seeing a giant "alien" blob fall from the sky. It was never identified, but it also never ate anyone.

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11. The Amityville Horror

This one you've got to watch. In it, a family moves into a house that proves to be exceptionally haunted. You can kind of guess where it goes from there based on the title alone.

The movie, like the book before it, was based on the house where Ronald J. DeFeo murdered his parents and all of his four siblings. People who moved into the house after the killings reported encounters of the ghostly variety.

12. A Nightmare on Elm Street

Wes Craven's popular horror franchise is all about Freddy Kreuger, a knife-glove wielding dead pedophile who murders people (usually children) in their dreams.

Craven was inspired to write Nightmare after learning about a boy who had nightmares and ended up dying in his sleep.

13. Child's Play

The now-legendary Chucky doll is inhabited by the furious ghost of a murderous felon.

The movie was inspired by a rumored REAL possessed doll named Robert. That doll still exists. It's in Florida, because duh.

14. Fire In The Sky

A group of friends is put on trial for the suspected murder of a dear friend who they claim was abducted by aliens.

This is inspired by the reported alien abduction of Travis Walton in 1975. He was never able to confirm his experience.

15. Ravenous

Set during the Mexican-American war, a soldier is assigned to a remote fort where the only other person there... turns out to like to eat people.

This movie was inspired by the Donner party and by a group of gold prospectors who were forced to eat each other to survive.

16. Henry: Portrait Of A Serial Killer

The movie, true to the title, follows one serial killer as he goes about he does best: shoe shopping! JK, it's serial killing.

This horror classic was inspired by the real-life serial killer Henry Lee Lucas.

17. From Hell

In this movie, Johnny Depp stars as an inspector on the case to capture Jack The Ripper.

The story of Jack the Ripper is a true-crime mystery for the ages that has inspired countless films, this being one of them.

18. The Serpent And The Rainbow

A botanist who studies how different cultures use plants in medicine discovers himself on the wrong side of a tribe who use plants to create voodoo magic.

The movie was inspired by a non-fiction book written by an actual botanist who in no way shape or form encountered real voodoo.

19. The Dentist

Got a dental phobia? Avoid this tale of a mad dentist who enjoys hallucinating under the influence and killing everyone who sits down in his chair.

This movie is rumored to be inspired by Missouri dentist Dr. Glennon Edward Engleman, who would seduce women, convince them to marry someone else, and then kill their new husbands for the insurance.

20. The Entity

This 1980s horror movie is deeply disturbing, perhaps now more than ever. A woman is repeatedly hunted down and assaulted by a ghostly force.

The movie was inspired by the case of a woman from California who believed that she was being raped by ghosts.

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21. Dahmer

A young man named Jeffrey Dahmer hunted, killed, and ate a serious of men in a bid to find forever love in a totally warped way.

This absolutely happened, only it wasn't Jeremy Renner in a bad wig. Jeffrey Dahmer took dozens of lives.

22. The Mothman Prophecies

After the death of his wife, a reporter goes to West Virginia to examine a series of mysterious prophecies from a strange figure known as the Mothman.

The Mothman Prophecies was based on a book by a real reporter who wrote up countless first-person interviews with people from West Virginia who claimed to have encountered this strange figure.

23. The Exorcism of Emily Rose

A priest was put on trial after an exorcism led to the death of a young woman. The film is told in flashbacks.

This movie was inspired by the real case of Anneliese Michel, a woman who believed she was being possessed by demons. She died while being exorcised by a priest who would be found guilty of negligent homicide.

24. Wolf Creek

A group of friends is abducted and terrorized by a maniac in the Australian outback.

This flick is based on three separate real-life Australian serial killers: Ivan Milat, who murdered backpackers in the 90s; Bradley Murdoch, who tried to kill women after killing their boyfriends; and the Snowtown Murders, a series of 11 grisly murders carried out by a group of people.

25. Them

A couple is stalked and terrorized by a group of teens and children, so maybe don't let your kids watch?

This is allegedly based on the actual murder of an Austrian couple, but the details aren't exactly copious. Take from that what you will.

26. The Girl Next Door

This one is brutal, brutal stuff. A young woman is methodically tortured, abused, and eventually killed by the family that was supposed to be taking care of her.

Tragically, this is based on the real-life experience of Sylvia Likens. Do yourself a favor and definitely do not Wikipedia this one.

27. Primeval

Yes, that infamous horror movie about a bunch of journalists who travel to Africa to pursue legends of a giant crocodile, it's made the list. Because it's totally true.

Okay, not totally true — the real croc, named Gustave, is not a mystery and has killed more than 300 people. Jeez, Gustave.

28. The Haunting In Connecticut

A family moves into a super-cool new house. But there's a problem (duh): it's an old mortuary!

This is based on the experiences on the Reed family from Connecticut who claim their supernatural woes didn't end until the Catholic Church performed an exorcism.

29. Borderland

A group of college students on Spring Break accidentally wind up getting involved with a Mexican cult that's big on human sacrifice.

This movie is based on a real guy,Adolfo Constanzo, a self-proclaimed witch doctor who worked with the Mexican drug cartels in the 1980s while killing American co-eds who crossed the border as a hobby.

30. Open Water

A couple's romantic scuba trip takes a dark turn when they are lost at sea in shark-infested waters.

This is based on the story of Tom and Eileen Lonergan, a couple who vanished while scuba diving when their tour guide failed to do a proper headcount. Their bodies were never found.

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Rebecca Jane Stokes is a writer living in Brooklyn, New York with her cat, Batman. Her work focuses on relationships, pop culture and news. For more of her work, check out her Tumblr.

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