"Although they'll probably be mysteriously nonfunctional when it comes to your turn."
Perhaps in the USA
European police are finding out to their great delight that the cameras invariably show what they said, happened, vs what the complainant said.
Something about honesty, integrity and not being an occupying paramilitary force. Police are merely civilians with a badge, some extra responsibilities and in the case of Europe - held to a MUCH higher standard than those who aren't sworn peace officers.
One of the most amusing things I ever saw on the UK version of motorway cops was the woman caught speeding who tried to get it brushed aside because she was an off duty officer - it went from getting ticketed for a minor offence (possibly even just a warning) to having the book thrown at her.