"Did he look like this?"
You open up your wallet and pull out a picture. Other people keep pictures of their family in their wallets. You keep pictures of your greatest adversaries.
The picture is - a poorly taken - photo of Heavy Bodyguard. Twilight Gang member. Meanest wall of muscle in the city.
The doorman nods, looking up at you after he scans the picture. "Yeah, that was him. Do you think he did it?"