Other mistake: When driving through the corn field, they run into a harvester that wouldn't be in a corn field.
Other mistake: During the big shootout scene near the end Burrell is using a six-shooter and somehow seems to fire around 20 shots despite never reloading the gun.
Continuity mistake: When Forest Whitaker shoots the woman with the rifle on top of the van, he has vapor coming out of his mouth due to the cold weather in one shot, but not in the next.
