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  4. Preventing Terrorism and Targeted Violence

Preventing Terrorism and Targeted Violence

Protecting the American people from terrorist threats is the reason DHS was created, and remains our highest priority.

  • National Terrorism Advisory System Bulletin - May 15, 2017 - Translations

    National Terrorism Advisory System Bulletin - May 15, 2017 - Translations

  • National Terrorism Advisory System Bulletin - November 9, 2017 - Translations

    On November 9, 2017, Acting Secretary of Homeland Security Elaine Duke issued a National Terrorism Advisory System Bulletin.

  • Reference Aid: ISIS and al-Qa‘ida English-Language Online Messaging

    This reference aid describes the messaging themes and official English-language media products the Islamic State of Iraq and ash-Sham (ISIS) and al-Qa‘ida use to radicalize and recruit individuals and the growing importance of encrypted mobile messaging applications in these efforts.

  • Reference Aid: ISIS and al-Qa‘ida-Inspired Homegrown Violent Extremists

    This reference aid is about homegrown violent extremists (HVE) in the United States. These individuals are most frequently supporters of the Islamic State of Iraq and ash-Sham (ISIS), al-Qa‘ida, or designated foreign terrorist organizations (FTO) allied with these two groups.a,b It also discusses HVEs’ connections to FTOs, participation in multiple types of terrorism activities, historical attack data and recent examples of lethal attacks, targeting and tactical trends, locations, demographics, and common behavioral indicators during their radicalization to violence.

  • Reference Aid: US Foreign Fighters

    This reference aid about “foreign fighters” focuses on US persons who attempt to or are successful in traveling overseas to join a designated foreign terrorist organization (FTO). Such activity is illegal and may result in federal criminal charges against alleged offenders.

  • Reference Aid: US Violent White Supremacist Extremists

    Violent White Supremacist Extremists (WSE) are defined as individuals who seek, wholly or in part, through unlawful acts of force or violence, to support their belief in the intellectual and moral superiority of the white race over other races. The mere advocacy of political or social positions, political activism, use of strong rhetoric, or generalized philosophic embrace of violent tactics may be constitutionally protected activities.

  • Supporting Local Communities Countering Violent Extremism

    Efforts to prevent crime, and in particular violent crime, are most effective when law enforcement establishes strong and trusting partnerships with community members themselves.  One important result of this is that community members will be more inclined to share suspicious information with law enforcement. As part of our effort to support local communities in countering violent extremism, DHS has compiled these publications.

  • The Los Angeles Framework for Countering Violent Extremism Fact Sheet

    The Los Angeles Framework for Countering Violent Extremism | Fact Sheet

  • The Los Angeles Framework for Countering Violent Terrorism

    The Los Angeles Framework for Countering Violent Terrorism
  • U.S. - China Joint Statement on Countering the Threat of Improvised Explosive Devices

    On September 14, 2015, DHS and the Department of State co-hosted the first U.S.-China Workshop on Countering Improvised Explosive Devices. The resulting U.S. - China Joint Statement on Countering the Threat of Improvised Explosive Devices is below.