By Joe Crutchley & Harry Rutter The Blair Witch Project, a horror film that caused quite a stir over two decades ago, was shot using handheld cameras. It followed three students – Heather Donahue, Joshua Leonard and Michael Williams – who ventured into an American forest to make a documentary about the local Blair Witch legend. The only thing they left behind was their terrifying footage. The movie took Hollywood and the world by storm. To create hype, producers marketed the film as “real life”. They set up a website claiming the “students”, whose real names were used, had actually vanished. T…