Audio problem: Near the end of the movie, when Leon Phelps is giving a speech to all his "victims", the camera starts to move up and over his head. If you keep your eye on Leon's mouth, it doesn't move for the last three or four words he says.
Plot hole: Near the end of the movie, Lance approaches Leon saying he's waited longer for this than anyone; however, he stated earlier in the film that the first encounter between Leon and his wife was in 1990, and another member of the V.S.A. said Leon and his wife were together in the Spring of '89, meaning he would have waited longer than anyone.
Revealing mistake: In the first few shots of Cheryl having sex with Leon you can see she has strips of white tape on her chest discreetly covering her.
Continuity mistake: When Julie is in the diner with Leon and she reads the letter that Leon got, the note reads 'I've never forgotten that fateful night.' But Julie says 'I still remember that fateful night.
