So, while it doesn't have any such disclaimers, the long tradition of horror movies having a basis in reality has led many to wonder if 2010's "Insidious" is based on a true story. "Insidious ...

Insidious: The Red Door ... which makes me so happy. It's true. Look in the song credits at the movie. It's there." Wilson also admitted that a reference to the classic 1986 Rodney Dangerfield ...