A comprehensive guide to the National Network's Group Violence Intervention strategy. This guide covers all relevant steps to the strategy from initial planning and problem analysis to enforcement actions and call-in implementation, and further considers issues of maintenance, integrity, sustainability and accountability to offer interested parties a step-by-step guide to successfully implementing GVI in any jurisdiction.

This guide provides practical information about "custom notifications," an independent element of GVI that enables quick, tactical, direct communication to particular group members. This publication presents the custom notifications process, explains its value within the broader strategy, details its use by several national practitioners, and encourages further development.

This whitepaper is a high-level overview of street outreach and the role it plays in violence intervention work. The paper assesses existing social science literature that evaluates the efficacy of streetwork interventions and contextualizes streetwork among other components of the NNSC's Group Violence Intervention. 

This guide begins with a brief description of the shooting scorecard concept and its links to problem analysis and performance measurement systems in police departments. It then presents the key steps in the process and associated data quality issues and then details the use of shooting scorecards by the Boston Police Department as an example of the practical applications of this approach.

A complete guide for law enforcement, community, and social services partners already engaged in implementing the Group Violence Intervention to design, prepare, and execute their first and subsequent call-ins.

NAVCAP offers practitioners the ability to map and analyze individual co-offending networks and group relationship networks without the need for coding or command line experience. This manual describes the installation, capabilities, and use of NAVCAP, using four educational modules. 

For the Group Violence Intervention to achieve its desired outcomes, stakeholders must be authentic and their messages credible. For law enforcement this means making good on the promise of swift and meaningful consequences for a group or gang as a whole when a prohibited violent act (usually shooting or killing) is committed by one of its members. This document captures examples of successful and creative law enforcement responses to group violence as carried out by police departments and their partner agencies in key National Network jurisdictions.

This paper briefly reviews the research on the crime control effectiveness of "pulling levers" focused deterrence programs. Focused deterrence strategies honor core deterrence ideas, such as increasing risks faced by offenders, while finding new and creative ways of deploying traditional and non-traditional law enforcement tools to do so, such as communicating incentives and disincentives directly to targeted offenders.

This report is a meta-analysis that evaluates impact on homicide and violence in a variety of cities that have implemented our Group Violence Intervention or the Drug Market Intervention.

This report offers essential components, concrete lessons, and early guidance for those interested in pursuing a reconciliation process in their cities.

This executive guide presents the core components of reconciliation and highlights examples and lessons from city reconciliation attempts.