In the late 60s, a graduate student in Southern California decided he wanted to study the police. John Van Mannen went around on patrol armed with other police. He used a fake name and told everyone that he encountered who he was and why he was there. The Watts Rides became a touchstone for civil unrest based on racism and police brutality. "If you want to look at wealth inequality, which is what interested me, don't look at the people who just benefit from it"