Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.


Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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

National Threat Assessment Center Research Videos

National Threat Assessment Center

Learn about how the U.S. Secret Service National Threat Assessment Center (NTAC) works to help prevent targeted violence in our communities.


Averting Targeted School Violence

This video highlights the findings and implications of NTAC’s research on school violence prevention based upon a study of averted school attacks.


Mass Attacks in Public Spaces – 2019

This report examines 34 attacks in public or semi-public spaces, during which three or more people were harmed.