National Threat Assessment Center (2024)

National Threat Assessment Center (1)

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United States Secret Service

National Threat Assessment Center (5)

Information on the 2024 Campaign is available now. Click here to find out more.

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National Threat Assessment Center (6)

School/Campus Attacks

Improving School Safety Through Bystander Reporting: A Toolkit for Strengthening K-12 Reporting Programs

New NTAC resource offers strategies for K-12 schools to enhance bystander reporting programs

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National Threat Assessment Center (7)

NATIONAL THREAT ASSESSMENT CENTER

NTAC releases latest report, "Mass Attacks in Public Spaces: 2016-2020"

The report analyzes 173 targeted attacks that occurred from 2016-2020 in public or semi-public locations in the U.S.

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National Threat Assessment Center (8)

Threat Assessment

Averting Targeted School Violence: A U.S. Secret Service Analysis of Plots Against Schools

New study examines 67 disrupted plots against K-12 schools & highlights importance of proactive reporting & intervention

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National Threat Assessment Center (9)

The National Threat Assessment Center (NTAC) was established as a component of the Secret Service in 1998 to provide research and guidance in direct support of the Secret Service protective mission, and to others with public safety responsibilities.

The center’s staff is composed of a multidisciplinary team of social science researchers and regional program managers who support and empower our partners in law enforcement, schools, government, and other public and private sector organizations to combat the ever-evolving threat of targeted violence impacting communities across the United States.

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NTAC Chief Dr. Lina Alathari

Our Latest Research

  • New
    Improving School Safety Through Bystander Reporting: A Toolkit for Strengthening K-12 Reporting Programs

    National Threat Assessment Center (10)

    Read Report


  • Mass Attacks in Public Spaces: 2016-2020

    National Threat Assessment Center (11)

    Read Report


  • Hot Yoga Tallahassee: A Case Study of Misogynistic Extremism

    National Threat Assessment Center (12)

    Read Report


  • Averting Targeted School Violence: A U.S. Secret Service Analysis of Plots Against Schools

    National Threat Assessment Center (13)

    Read Report

View All of Our Research

School/Campus Attacks

Improving School Safety Through Bystander Reporting

Averting Targeted School Violence: A U.S. Secret Service Analysis of Plots Against Schools

Protecting America’s Schools: A U.S. Secret Service Analysis of Targeted School Violence

Enhancing School Safety Using a Threat Assessment Model: An Operational Guide for Preventing Targeted School Violence

Campus Attacks: Targeted Violence Affecting Institutions of Higher Education

Prior Knowledge of Potential School-Based Violence: Information Students Learn May Prevent a Targeted Attack

The Final Report and Findings of the Safe School Initiative: Implications for the Prevention of School Attacks in the United States

Threat Assessment in Schools: A Guide to Managing Threatening Situations and to Creating Safe School Climates

Mass Attacks in Public Spaces

Mass Attacks in Public Spaces: 2016-2020

Mass Attacks in Public Spaces - 2019

Mass Attacks in Public Spaces - 2018

Mass Attacks in Public Spaces - 2017

Behavioral Case Studies

Hot Yoga Tallahassee: A Case Study of Misogynistic Extremism

The Congressional Shooter: A Behavioral Review of James Hodgkinson

Exploring the Effect of Stressors in Threat Assessment Investigations: A Case Study on Bart Allen Ross

Using a Systems Approach for Threat Assessment Investigations: A Case Study on Jared Lee Loughner

Investigating Ideologically Inspired Violent Extremists: Local Partners Are an Asset: A Case Study on Abdulhakim Mujahid Muhammad

Attacks Against Government

Attacks on U.S. Federal Government 2001–2013: Threat Assessment Considerations

Assassination in the United States: An Operational Study of Recent Assassins, Attackers, and Near Lethal Approachers

Photo Gallery

    • NTAC Chief Dr. Lina Alathari and Supervisory Social Science Research Specialist Steven Driscoll present the findings from NTAC’s "Mass Attacks in Public Spaces - 2018" report in Washington, D.C.

    • NTAC Chief Dr. Lina Alathari and Supervisory Social Science Research Specialist Steven Driscoll present the findings from NTAC’s "Protecting America’s Schools" report in Chicago, Illinois, in 2019.

    • NTAC Chief Dr. Lina Alathari participates in a press conference for NTAC’s "Mass Attacks in Public Spaces - 2018" report in Washington, D.C.

    • Director James T. Murray participates in a press conference for NTAC’s "Protecting America’s Schools" report at Secret Service Headquarters in Washington, D.C., in 2019.

    • Deputy Director Leon Newsome introduces NTAC’s "Protecting America’s Schools" report in Chicago in 2019.

    • Supervisory Social Science Research Specialist Steven Driscoll presents NTAC's research, "Mass Attacks in Public Spaces - 2019," at a press conference in Washington, D.C., Aug. 6, 2020.

    • NTAC Chief Dr. Lina Alathari announces the team's latest research, "Mass Attacks in Public Spaces - 2019," at a press conference in Washington, D.C., Aug. 6, 2020.

    • NTAC Supervisors Steven Driscoll and Diana Drysdale accept the 2019 DHS Secretary’s Award for Excellence on behalf of the NTAC team.

    • Deputy Director Leon Newsome introduces NTAC’s “Protecting America’s Schools” report in Chicago in 2019.

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National Threat Assessment Center (2024)

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