You want to get Capone? Here's how you get him: he pulls a knife, you pull a gun, he sends one of yours to the hospital, you send one of his to the morgue. It's the Chicago way and that's how you get Capone.
David Mamet, U.S. screenwriter, and Brian DePalma. Jimmy Malone (Sean Connery), The Untouchables, advice to Elliot Ness (Kevin Costner) on how to stop Chicago's number one criminal, Al Capone (Robert DeNiro) (1987).