Active shooter incidents are often unpredictable and evolve quickly. In the midst of the chaos, anyone can play an integral role in mitigating the impacts of an active shooter incident. The U.S. Department of Homeland Security (DHS) aims to enhance preparedness through a "whole community" approach by providing  products, tools, and resources to help you prepare for and respond to an active shooter incident. To access the most applicable information, please select one of the provided categories.