Yes, it is based on true events. The 'Scream' documentary likely delved into real - life horror stories that inspired the 'Scream' movie franchise. It might have explored things like real murders that had elements similar to the fictional killings in the movies, such as the use of a masked killer and the element of surprise.
A 'true scream story' could be a story that is so terrifying or shocking that it makes people want to scream. It might involve real - life horror experiences, like a near - death encounter, or a spooky encounter with something unexplainable.
Yes, 'Scream' is loosely based on true stories. It draws inspiration from real - life serial killers and horror events, which gives the movie a sense of realism and makes it even scarier.