• Provides the latest organizational changes, restructures, and policy developments in DHS • Outlines the role of multi-jurisdictional agencies—this includes stakeholders at all levels of government relative to the various intelligence community, law enforcement, emergency managers, and private sector agencies • Presents a balanced approach to the challenges the federal and state government agencies are faced with in emergency planning and preparedness, countering terrorism, and critical infrastructure protection • Includes full regulatory and oversight legislation passed since the last edition, as well as updates on the global terrorism landscape and prominent terrorist incidents, both domestic and international • Highlights emerging, oftentimes controversial, topics such as the use of drones, border security and immigration, surveillance technologies, and pandemic planning and response • Each chapter contains extensive pedagogy including learning objectives, sidebar boxes, chapter summaries, end of chapter questions, Web links, and references for ease in comprehension