Horror movie fans don’t just love the movies themselves. Many of us are fascinated by the contexts that surround them: How were they made? Who made them? Why do we love them? How do they influence our lives? At the same time, a lot of people are afraid of the people who make horror movies, and the people who adore them. These people blame horror movies’ makers and fans for all sorts of social problems. Horror movies often capitalize on horror fans’ fascination and draw upon horror haters’ anxieties, presenting horrific stories about the movies we love most. On this week's Friday 13, here are some intriguing examples.