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)
Mr. Lee: Take the money.
Bill Foster: You think I'm a thief? Oh, you see, I'm not the thief. I'm not the one charging 85 cents for a stinking soda! You're the thief. I'm just standing up for my rights as a consumer.
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.
Nick: Fuck you. Who the fuck are you? Are you fucking with me? You're fucking with me.
Bill Foster: I am just disagreeing with you! In America, we have the freedom of speech, the right to disagree.
Nick: Fuck you and your freedom.