Louis Tuthill is a social science analyst for the National Institute of Justice (NIJ) where he oversees program evaluation and research on efforts to reduce gang activity, illicit firearms trafficking, drug trafficking, and neighborhood community violence. He sits on several work groups and task forces to include the US Attorney General’s Anti-Gang Task Force, Project Safe Neighborhoods Steering Committee, and the Coordinating Council on Juvenile Justice and Delinquency Prevention. Prior to coming to NIJ he worked for the Centers for Disease Control Academic Center for Excellence on Youth Violence Prevention. At this center he worked with local, tribal, and state governments to use evidence-based research to address juvenile delinquency, gang activity, teenage pregnancy, and domestic violence. He has written several pieces addressing these issues, including: Breaking New Windows—Examining the Subprime Mortgage Crisis Using the Broken Windows Theory; Preventing Youth Violence in a Multicultural Society; and Treating the Juvenile Offender.This presentation is a part of a year-long speaker series sponsored by the Department of Social Welfare, GANGS: Strategies to Break the Cycle of Violence.A live webcast of this event is available at the ad-supported website Ustream.tv. To watch, go to http://bit.ly/gangserieslive.