This paper estimates risk reductions for each layer of security designed to prevent commercial passenger airliners from being commandeered by terrorists, kept under control for some time, and then crashed into specific targets. Probabilistic methods are used to characterize the uncertainty of rates of deterrence, detection, and disruption, as well…

A new type of public facility security system, utilizing a radio system and voice logging recorder, has effectively improved security at the John F. Kennedy Center for the Performing Arts. The system monitors security operations, provides a reliable record in the case of conflicting claims, and accurately pinpoints the time of events. (DS)

This basic module on private security training was designed under the direction of the Oklahoma Council on Law Enforcement Education and Training to teach basic skills necessary for entry-level employment in this field. This module contains six instructional units that cover the following topics: (1) interpreting the Oklahoma Security Guard and…