For some reason I'm reminded of that scene in Blackadder Goes Forth about the spies:
"Blackadder Goes Forth" General Hospital (1989) - Memorable quotes
Captain Darling: So you see, Blackadder, Field Marshall Haig is most anxious to eliminate all these German spies.
General Melchett: Filthy hun weasels, fighting their dirty underhand war!
Captain Darling: And fortunately, one of our spies...
General Melchett: Splendid fellows, brave heroes risking life and limb for Blighty!