The Last Exorcism (2010)5.8 /10

Storyline:  Reverend Marcus, an evangelical preacher, agrees to let some filmmakers document his efforts to expose exorcisms as fraudulent, seeing them as mere theater. When farmer Louis Sweetzer requests an exorcism for his daughter, Marcus takes the opportunity to showcase his tricks. However, the situation with the Sweetzer family soon reveals complexities and darkness beyond Marcus's expectations.