It happens enough (20 years ago, at least) that a short-term visitor like myself actually saw (but happily didn't experience) multiple examples of cops abusing

It happens enough (20 years ago, at least) that a short-term visitor like myself actually saw (but happily didn't experience) multiple examples of cops abusing people (beatings, mostly). The completely oblivious reaction of the crowds around these incidents spoke volumes more; it was clear that nobody wanted to attract any attention.