When The Exorcist was released in 1973, it changed the face of the horror genre forever. Hordes of fans from around the world watched in terror – a new kind of terror in which they had not experienced before. There were reports of people having to leave the theater midway through the film, no one had seen or heard such paranormal atrocities before. And it is true that to this day, with so many other horror movies that have come and gone, The Exorcist remains so unforgiving to its audience in its spectacular delivery. The plot of the film comes from….