What Horror Movies Are Based On True Stories

What Horror Movies Are Based On True Stories. Horror movies based on true events tend to focus on two elements — the criminal activity of serial killers and possessions. Horror films based on true stories have an added element of fear, making them even scarier.

Everyone’s a badass when watching a horror movie until somewhere in the opening credits the words, “based on a true story” come up. Both are scary in their own ways.