The Exterminator (1980)
Marty: I'm sorry about this mornin', alright? I mean, we didn't hurt *you*! Shit man, that guy, he was just a nigger!
John Eastland: That *nigger* was my best friend, you motherfucker!
[Bashes Marty's head in]
CIA Agent Shaw: This "Exterminator" is the most dangerous serial killer in the United States and he is in New York City! Now what do you think about all this?
Detective James Dalton: I think you need to take a shit. It's coming out of your mouth instead of your asshole.
Thug: The man was nothing but a nigger.
John Eastland: You really are a sick motherfucker, you know that?
Detective James Dalton: Jesus, looks like he got hit with napalm.