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: | Blog

DHS Safety and Security Resources for Health Care Providers, Including Pharmacies

DHS has several resources available to support healthcare providers, including pharmacies, to prevent and defend against threats to both physical and cyber infrastructure.

Last Updated: | Press Releases

Statement by Secretary Mayorkas on the Shooting in Lewiston, Maine

Secretary of Homeland Security Alejandro N. Mayorkas released the following statement on the situation in Lewiston, Maine, following last night’s horrific mass shooting.

Last Updated: | Press Releases

Statement from Secretary Mayorkas on Racially-Motivated Shooting in Jacksonville, FL

Secretary of Homeland Security Alejandro N. Mayorkas released the following statement this evening regarding the racially-motivated shooting earlier today in Jacksonville, FL.

Last Updated: | 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: | 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: | 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: | 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: | 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: | 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.

Last Updated: | Site Page

School and Workplace Violence

Acts of school and workplace violence, including both active shooter incidents and violent protests, threaten life safety and security, undermine public confidence, and emotionally devastate affected communities.