Continuity: The male lead is seen reading an article in the newspaper, the headline of which says "serial killer arrested at pendleton university," but when he reads the headline aloud, he mentions the professor that killed students at Alpine University, which doesn't match the headline from the paper he's reading.

Continuity: At the end of the movie at the cemetery, when Samantha passes out onto Grace's shoulder, she has no cuts or bruising on her face except for the bleeding head wound. In the next scene, her lip, cheek and nose, all have cuts and bruises.