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 Commons<br />אבי, CC0, via Wikimedia Commons<br />Ardfern, CC BY-SA 3.0 via Wikimedia Commons<br />Lottolads, CC BY-SA 4.0 via Wikimedia Commons<br />mappingpoliceviolence.org<br />policeombudsman.org<br />flickr - becker271 <br />flickr - Old White Truck<br />flickr - Preston Austin<br />Georgia National Guard, Public domain via Wikimedia Commons<br />Reuven Levy, CC BY 3.0 via Wikimedia Commons<br />Loavesofbread, CC BY-SA 4.0 via Wikimedia Commons<br />MADOC CC BY 3.0 via Wikimedia Commons<br />Tedder, CC BY 4.0 via Wikimedia Commons
