When a horror film sports the tagline "Based on a true story" or "Inspired by actual events," the terror quotient almost always goes up, and the films often does big box office numbers.
the hills have eyes
Did you know that Wes Craven was at one point in his life an English teacher and humanities professor, and that he didn't start directing films until he was 30? Knowing this, it's no surprise that he approaches discussions about the horror genre with such intellect and conviction.
If you're a horror fan, then you're either in one of two camps. You've either seen Bill Lustig's 1980 seminal "slasher" cult classic Maniac, or you haven't. And if you have, no doubt it's because of the legendary reputation the film has garnered over the years...