Corrected entry: When Sarah, Axel, and Irene are running out of the mine and into the truck in the opening massacre, Harry throws his pick-axe at the truck and it lands and sticks in the windshield. They drive away, and in the next shot, Harry is holding another pick-axe.
Corrected entry: Near the end of the film, Sarah fights with the killer in a ruined house in the middle of the woods. She escapes the house by breaking through a window through the kitchen and rolling down the roof to the ground below. First of all, we never saw her walk up any stairs. And second of all, why would the kitchen be on the second level?
Correction: The house is built on a hill and the front door is higher up than where the basement opens up further down the hill. The awning she rolls down is at "ground level" compared to the front door she entered.
Corrected entry: Ryder cube vans visible on the left hand side, up on the hill through the trees in the last scene, when the rescue workers are coming out of the mine.
Correction: Ryder vans can be rented by anyone. These vans could have been rented by the mining company.
Correction: Harry has two pick axes. He picks one up and throws it at the car, but he is still holding the other one that he attacked Tom with.