thanks.I think I can clarify. What was meant is that, there's probably a chance there is a cop on the same corner/block/etc as you would be. The chances of it happening aren't as high or low as some people would think, but the chances of someone being a cop and you not being able to notice is probably the scariest thing. Sometimes it's obvious, but the actual undercover cops, dressed out of uniform, are pretty scary. You would never know "that" guy was a cop. Then your on the ground in hand cuffs.