After being in a couple bars that got raided, I look for a baggy jacket w/ odd protrusion (radio for back up).

That is some over the top revenue generation on the part of the police in your town. If not that, then they really want to shut someplace down.
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Thinking of cracked-out and/or tweaking whores getting their throats and asses brutalized for the next hit makes me hard. --Rear Admiral