Continuity mistake: When D-Fens attacks the Oriental shopkeeper he puts his foot on the shopkeeper's neck and his socks are clearly visible as white. However, a few minutes later when he removes his shoe to examine a hole in it on the hill, before being confronted by the two homeboys - his socks have somehow changed to black. (00:10:20 - 00:18:15)
Nick: We're the same, you and me. We're the same, don't you see?
Bill Foster: We are not the same. I'm an American and you're a sick asshole.
Nick: Just what kind of vigilante are you?
Bill Foster: I am not a vigilante. I am just trying to get home to my little girl's birthday party and if everyone will just stay out of my way, nobody will get hurt.