External oversight is an effective way to keep police behaviour in check and nip problems in the bud. br br Attributions: br Voice of America, Public domain, via Wikimedia Commonsbr אבי, CC0, via Wikimedia Commonsbr Ardfern, CC BY-SA 3.0 via Wikimedia Commonsbr Lottolads, CC BY-SA 4.0 via Wikimedia Commonsbr mappingpoliceviolence.orgbr policeombudsman.orgbr flickr - becker271 br flickr - Old White Truckbr flickr - Preston Austinbr Georgia National Guard, Public domain via Wikimedia Commonsbr Reuven Levy, CC BY 3.0 via Wikimedia Commonsbr Loavesofbread, CC BY-SA 4.0 via Wikimedia Commonsbr MADOC CC BY 3.0 via Wikimedia Commonsbr Tedder, CC BY 4.