one of my favorite lines from The Godfather: Part II
Senator Pat Geary: Mr. Cici, was there always a buffer involved?
Willi Cici: A what?
Senator Pat Geary: A buffer. Someone in between you and your possible superiors who passed on to you the actual order to kill someone.
Willi Cici: Oh yeah, a buffer. The family had a lot of buffers!
—The Godfather: Part II