Reflecting the diverse and specialized nature of the security industry, this volume provides an up-to-date treatment of a topic that has become increasingly complex as more vulnerabilities arise. Topics discussed include the history of security and the role of security professionals; terrorism and national strategies for homeland security; crime prevention through environmental design; violence, theft, and drugs in the workplace; insider threats, pre-employment screening, and executive and personnel protection; the security of physical structures; threats to information security; security law and liabilities; investigation and interrogation; risk management; critical infrastructure; and the future of security technology.