Helmed by German director and AFI grad Daniel Stamm, pic was originally titled "Cotton" and stars Patrick Fabian as a troubled evangelical minister who allows his final exorcism to be filmed by a documentary crew.

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Project, which shot in Louisiana, has had horror fan sites salivating for months at the prospect of a scary, shaky-cam-style film shepherded by "Hostel" helmer Roth.

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"It's always great to work with our friend Eli, who has played a key role in establishing Lionsgate in the vanguard of the horror genre," said Jason Constantine, Lionsgate's prexy of acquisitions and co-productions. "'The Last Exorcism' feels as close to a real exorcism as anyone would ever want to get -- audiences are going to find this movie scary as, well, hell."