Uniformed

"The presence of a uniformed security man suggests there's probably no plainclothes floorwalker. Most supermarkets are too cheap to employ both.Furthermore, a guy in a uniform is very easy to keep track of. And the man in the uniform will probably ignore a person if he doesn't look or act suspicious. It's important to remember that the uniformed guy's primary purpose is deterrence, not setting arrest records. That's for the plainclothes guy's departments. As for the plainclothes man, you're unlikely to encounter one in most supermarkets. They just aren't used that often. An easy way to find out if a store uses non-uniformed security is to offer your services in that capacity to the manager. He's likely to say either 'No thanks, we don't use floorwalkers,' or 'No thanks. We've already got someone.' Either way, you've obtained a bit of useful information." This is what supermarket security guard Andrew said.