Yes, but it is rare.
In the UK, Directorate of Professional Standards. In the USA, it's the Department of Internal Affairs.
This is a very old problem; even in the Roman Empire, the question was famously asked, who guards the guardians? Since it is the police who enforce the laws, it is the police who have to arrest other...
go to the station, ask for a supervisor and file a formal complaint
Patere quam ipse feciste legem.