David M. Kennedy is the director of the Center for Crime Prevention and Control at John Jay College of Criminal Justice in New York City. He directed the Boston Gun Project, whose “Operation Ceasefire” intervention was responsible for a more than sixty per cent reduction in youth homicide victimization and won the Ford Foundation Innovations in Government award; the Herman Goldstein International Award for Problem-Oriented Policing, and the International Association of Chiefs of Police Webber Seavey Award. He developed the High Point drug market intervention strategy, which also won an Innovations in Government Award. His latest book, Don’t Shoot: One Man, a Street Fellowship, and the End of Violence in Inner-City America was published by Bloomsbury in September 2011.