We have reached a point in history where the systemic nature of police brutality can hardly be denied - and yet, many deny it. Each new case, they say, was perpetrated by a mere bad apple on the force. In Our Enemies in Blue, Kristian Williams gives the lie behind that assumption due consideration. Though his focus is on US policing, the same problems are echoed in police forces in the UK and around the world and the same analyses will apply.