By articulating the concrete, observable pre-attack behaviors of many active shooters, the FBI hopes to make these warning signs more visible and easily identifiable.
Active shooter/hostile events (ASHEs) have been increasing in frequency and severity since 2000 (Blair & Schweit, 2014). Unlike many other types of incidents, an ASHE will almost always result in the deployment of all first responder disciplines. In this environment, with multiple disciplines responding, a fully integrated incident response system
An Active Shooter is an individual actively engaged in killing or attempting to kill people in a confined and populated area; in most cases, active shooters use firearms(s) and there is no pattern or method to their selection of victims. Active shooter situations are unpredictable and evolve quickly. Typically, the