I live in a country where this is fully integrated into the police system at a national level. There are two sorts of beat cops: traditional "patrol" police and

I live in a country where this is fully integrated into the police system at a national level. There are two sorts of beat cops: traditional "patrol" police and "security" police, which you pay for. I only discovered the distinction recently, when a couple came knocking on my door, asking about my neighbour who'd missed a payment.