Dry Cleaner Hit
The scene with the Dry Cleaners building with the vehicles' exhaust pipes covering up the gunshots is one of the most memorable assasination scenes I can think of. I rank it alongside the toll assasination scene in The Godfather. The way no actual hit or criminal act can be seen, how the camera is only in the streets, and the shots afterwards are genius.
They don't make 'em like they used to.