A woman holds a banner during a protest in support of the Black lives matter movement in New York. Photo: AFP
Christina Heatherton and Jordan T. Camp are the editors of Policing the Planet: Why the Policing Crisis Led to Black Lives Matter, which traces the spread of what's known as the broken windows policing strategy - or zero tolerance policing - and why this led to the formation of movements like Black Lives Matter. They tell Wallace that their book is not just about people being killed by police - but how broken windows policing forces them to live.
