What"good"horror movies are based on true stores

[OmegaK2099]

Wait how was scream based on a true story?

 

[MartyMcFly]

Wait how was scream based on a true story?

Kevin Williamson got inspired by it watching some true murder series about a serial killer in NC stalking college students

 

[Cartier Murphy]

THE SACRAMENT is loosely based on the Jonestown Tragedy.

Having seen the movie I feel the sarcasm