Columbo: An Exercise in Fatality 
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Columbo: Thank you very much, sir. You've been very helpful.
Columbo: Oh, just one more thing...
Columbo: You tried to create the perfect alibi, and it's your perfect alibi that's going to hang you.
Milo: My markup is very small. But I have to maintain quality. That's what gives me control.
Gene: I can smell film-flam right down to the paper clips you make me buy.
Milo: In two months I'll be at my villa overlooking the Adriatic with two million in Swiss francs to keep me warm.
Milo: What the hell gives you the right, Columbo?
Columbo: This, Sir. This is a warrant. This gives me the right.
Columbo: I'll tell you how you did it if you're interested.