This Research Report is part of the National Institute of Justice's (NIJ's) Reducing Gun Violence publication series. Each report in the series describes the imple mentation and effects of an individual, NIJfunded, local level program designed to reduce firearmrelated vio lence in a particular U.S. city. Some studies received cofunding from the U.S. Department of Justice's Office of Community Orient ed Policing Services; one also received funding from the Centers for Disease Control and Prevention and the Jus tice Department's Office of Juvenile Justice and Delin quency Prevention."