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  1. The National Gang Intelligence Center3 describes the breadth of criminal activity attributable to street gangs; the most common forms include violent and drug-related crimes such as assault, street-level …

  2. Who Are the Violence Interrupters? - National Institute of Justice

    Oct 28, 2009 · CeaseFire's use of violence interrupters made the program unique. Although many public health campaigns hire people who are adept at reaching target populations, hiring former gang …

  3. Home | National Institute of Justice

    The National Institute of Justice (NIJ) is dedicated to improving knowledge and understanding of crime and justice issues through science.

  4. Using Restrictive Housing to Manage Gangs in U.S. Prisons

    Jun 30, 2018 · Gangs remain one of the more formidable issues that corrections officials face in managing prisons. About 200,000 of the 1.5 million people incarcerated in the U.S. are affiliated with …

  5. MS13 in the Americas: Major Findings - National Institute of Justice

    Feb 1, 2018 · Based on fieldwork done in a multi-year research initiative that evaluated the transnational criminal capacity of the Mara Salvatrucha (MS 13) street gang in the United States and El Salvador, …

  6. Helping At-Risk Youth Say "No" to Gangs - National Institute of Justice

    May 1, 2015 · The Gang Resistance Education and Training (G.R.E.A.T.) program is teaching kids to avoid gang membership and helping them develop positive relationships with law enforcement, …

  7. Gang Enforcement Problems and Strategies: National Survey Findings

    Federally sponsored surveys of 149 police departments and 118 prosecutors' offices of jurisdictions greater than 250,000 and 73 prosecutors' offices of jurisdictions of 50,000 to 250,000 residents …

  8. Public Mass Shootings: Database Amasses Details of a Half Century of …

    Feb 3, 2022 · Persons who committed public mass shootings in the U.S. over the last half century were commonly troubled by personal trauma before their shooting incidents, nearly always in a state of …

  9. Comparing Violent Extremism and Terrorism to Other Forms of …

    Mar 25, 2024 · Targeted violence spans a wide array of offenses, from mass shootings to gang or group-violence-related activities to human trafficking. Although each of these topics has been …

  10. What Is a Gang? Definitions - National Institute of Justice

    Oct 27, 2011 · Defining "gang member" and "gang crime" Localities interested in pursuing anti-gang policies, strategies and programs face the challenge of developing operational definitions for the …