This text examines the history, terminology, and types of Weapons of Mass Destruction (WMD). It also includes a discussion of causes, symptoms, consequences of and responses to a WMD event. Includes student exercises involving the decision making process, identifying WMD threats, pre and post attack actions, monitoring for contamination and recovery procedures. This text is appropriate for criminal justice, criminal investigation, and homeland security programs. It is also suited for programs in emergency management, corporate security, psychology, emergency medical services and healthcare, police academy programs, and continuing professional development.