U.S. flag

An official website of the United States government

Government Website

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

Safely connect using HTTPS

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.

  1. Home
  2. About DHS
  3. Site Links
  4. Keywords
  5. Active Shooter

Active Shooter

Last Updated: December 5, 2019 | Press Releases

Snapshot: K9 Responders Join Team Active Shooter Scenarios

Canines are widely used by law enforcement agencies and first responders to protect the homeland in various ways.

Last Updated: November 19, 2019 | Press Releases

News Release: Active Shooter Exercise at George Mason University

DHS S&T evaluated a suite of in-building sensors developed through the Smart City Internet of Things Innovation Labs effort.

Last Updated: November 5, 2018 | Blog

Ensuring the Security and Resiliency of Our Schools

As Critical Infrastructure Security and Resilience Month kicks off, I want to talk about one component of infrastructure in particular—our schools—and a new technology S&T just released that will help protect not only the physical buildings, but also the individuals within them.

Last Updated: November 1, 2018 | Press Releases

News Release: New Virtual Training Gives FR and Educators an ‘EDGE’ on School

The Enhanced Dynamic Geo-Social Environment, a virtual training platform, allows teachers, school staff, law enforcement officers, and others tasked with school security to create and practice response plans for a wide range of critical incidents. The tool is free.

 

Last Updated: July 12, 2018 | Publication

S&T First Responder Infographic

DHS S&T works closely with first responders, academia, research and development organizations, industry, innovators and venture capitalists to use science to help strengthen our first responders and the nation. Check out our infographic to learn more on how S&T is helping protect our homeland.

Last Updated: July 11, 2018 | Press Releases

K-12 School Security: A Guide for Preventing and Protecting against Gun Violence (2nd ed., 2018) Now Available

The National Protection and Programs Directorate (NPPD) released the K-12 School Security: A Guide for Preventing and Protecting against Gun Violence (2nd ed., 2018) that provides preventive and protective measures to address the threat of gun violence in schools.

Last Updated: June 11, 2018 | Publication

Stop the Bleed-Tourniquet

No matter how rapid the arrival of professional emergency responders, bystanders will always be first on the scene. A person who is bleeding can die from blood loss within five minutes, therefore it is important to quickly stop the blood loss. This poster shows simple steps to apply a tourniquet correctly to stop severe bleeding from a wound on an arm or leg.

Last Updated: June 5, 2018 | Press Releases

CR Program Releases New Exercise Starter Kits for Cybersecurity, Hurricanes, and Active Shooter Scenarios

The Department of Homeland Security’s Office of Academic Engagement (OAE) released today three Exercise Starter Kits for the academic community as part of the Campus Resilience (CR) Program.

Last Updated: June 1, 2018 | Publication

CR Program Exercise Starter Kits One-Pager

Exercise Starter Kits are a set of tools and resources for the academic community to self-conduct a tabletop exercise (TTX).

Last Updated: May 17, 2018 | Site Page

Welcome to the S&T Impact Series

This web and video series delves into the core homeland security mission areas and highlights how the Science and Technology Directorate (S&T) is helping agents, officers, first responders and decision makers with some of their toughest challenges.