explains how to prepare for and react to accidental and deliberate incidents involving chemical, biological, radiological, or nuclear (CBRN) materials at any High Visibility Event (HVE). Written by a leading expert with more than 30 years of highly specialized experience in CBRN defense and security, this comprehensive guide covers general planning and preparedness, training, procurement, security methods, tools and technology, incident response, and more. The fully revised second edition incorporates current best practices, new and evolving threats, and lessons learned from major events that have occurred over the past 10 years. New chapters discuss public affairs and crisis communication, CBRN forensics and investigations, and social, behavioral, and psychological issues related to crowd behavior and CBRN responders. More than a dozen all-new practical scenarios address various incidents such as radiological attacks, pandemic illness, industrial chemical accidents, and attacks with biological warfare agents. is an indispensable resource for leaders, managers, trainers, responders, and support personnel in emergency planning, law enforcement, security, emergency medicine, public health, state and local government, and military agencies that support civil authorities.