I do. It's great fun. When out in a public place, like the High Street, Supermarket, Cinema, Pub, pretty often you must be in the vicinity of drug dealers, organised criminals and gang members. The aim of the game is to spot them and say very quietly, to yourself, in your head, "I bet he's like Stringer Bell/Poot/Ziggy/Omar whoever. You can also look for underocver cops but it's less fun.