This resource, developed in a partnership between NCTC, the Federal Bureau of Investigations, and the Department of Homeland Security, is provided to inform law enforcement, terrorism prevention practitioners, other first responders, community leaders, as well as the general public about both threats of violence and contextual behaviors that suggest an individual is mobilizing to violence. While some violent extremists may make direct, indirect, or vague threats of violence, others may plot violent action while avoiding such overt threats to maintain operational security—underscoring the need to consider both threats of violence and contextual behaviors.
US Violent Extremist Mobilization Indicators Booklet (2025)