Revealing mistake: After Lori burns Warren's cheek with the curling iron, then runs out the door. He screams in pain as he turns away from the camera. But there's no burn scar in the next shot of his face.
Revealing mistake: Near the end, after Warren kills the girl in the shower, he taunts the cowering roommate in the corner. And then when he pulls back, there is blood spatter all over her, and the walls Yet he was still in a standing position, instead of bent down to do any real damage.
Revealing mistake: During the girl's funeral, the father mentions to the detective about her keeping a diary. Warren overhears and then "somehow" just happens to know where the girl lives, and breaks into the house.
Revealing mistake: For the first kill, Warren is chasing the naked girl while being equally naked. And yet, in the side view of his run in the woods, Gene Davis' pants pop in frame a couple times. (00:08:00)
