This book offers a unique look into the world of policing and the frontline of Brazil’s war on drugs. It analyzes the tensions produced by attempts to modernize Rio de Janeiro’s public security policies. Since the return of democracy in 1985, Rio's police forces have waged war against armed drug gangs based in the city’s favelas, casting the people who live in these communities as internal enemies. In preparation for the Olympics in 2016, the police sought to ‘pacify’ the favelas and their populations through the establishment of Pacifying Police Units (UPPs) in many of the...