It's a bit of both. While there are certainly jurisdictions that are quite well behaved, there are also serious systemic problems. The aforementioned civil forf

It's a bit of both. While there are certainly jurisdictions that are quite well behaved, there are also serious systemic problems. The aforementioned civil forfeiture is legal everywhere, so even if some departments don't engage in it there's still a very serious problem. As for other bad behavior? Income inequality, poverty, a lack of social programs, and other socioeconomic issues lead to (IMHO) fairly predictable systemic problems in the affected areas.