GIS for Homeland Security provides general overviews on how GIS is used for gathering and analyzing intelligence; protecting critical infrastructure; responding to complex emergencies; preparing for disease outbreaks and bioterrorism; securing complex events; and simulating disasters. Each chapter spotlights the visionaries who have applied spatial technology in the field to develop model solutions to real threats. A final chapter looks ahead at the growing role of GIS in homeland security. GIS for Homeland Security is a resource for experienced GIS users and decision makers, as well as for those new to spatial technology.