Here’s some CCTV footage from a Seattle holding cell last November:

For once, the guilty cop is facing assault charges. Does that mean the system works? No, it means that this time, the bad cop got caught. When 15-year-old girls are grabbed by the hair, smashed against a wall, and punched in the head while being pinned to the ground — all for the grave offence of being rude to a cop — the system is most definitely not working.