"Current and comprehensive…. Readers will find cutting-edge information essential for anyone interested in homeland security. This book should be a cornerstone resource for upper-division and graduate courses, libraries, and analysts." —Christopher Bellavita, Naval Postgraduate School Center for Homeland Defense and SecurityWhat is the role of intelligence in the homeland security enterprise? How have its practice and function evolved since the creation of the Department of Homeland Security more than two decades ago? What accounts for the changes? As they address these questions, the authors of this comprehensive volume investigate the critical issues that remain unresolved and consider what lies ahead.