Factual error: At the end, you can see Kimberly hanging in the background. After being cut in half, I doubt your clothes would stay on. (01:26:00)
Factual error: If the mill was abandoned 30 years ago, how is there still power? The power company wouldn't leave electricity on in an abandoned place.
Factual error: If a person gets cut in half with an ax, a lot more will spill out than just intestines and a little blood.
Factual error: In the end it shows Kimberly's car with a front West Virginia plate. In West Virginia, you only get rear plates.
Answer: Possibly one of the girl's parents, hiding their little girl in the safe before being attacked, captured and killed by the Mutant family.
musicman