Original artwork, not a still
Mister, we’re not friends. I mean, maybe we will be someday. But I gotta say, if that were me in your position? I would have killed that man.
Behind the line
What it means
Our interpretation.
The speaker denies any friendship with the listener, allows it might come later, then coolly says that in the listener's position they would have killed the man. The casual, almost advisory tone makes violence sound like a sensible option, which is unsettling.
Context reviewed