The evolution of active shooter response training protocols since Columbine: lessons from the advanced law enforcement rapid response training center - Martaindale MH, Blair JP.

On April 20, 1999, two active shooters attacked Columbine High School. This attack became a catalyst that changed the manner in which law enforcement prepared for similar attacks at schools and other locations. Departments across the United States develope...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Age: Adolescents Source Type: news