Focusing on how the roles of the agency have changed, this book examines the roots of Homeland Security and its core missions. It examines the agency#xE2;#xAC;"s focus and looks at what DHS should focus on in future. Diplomacy and international partnerships are addressed as they relate to resolving hot-button issues like narco-terrorism, intelligence sharing, terrorism funding, and immigration. This book is among the few on the subject to examine Homeland Security funding and perform a cost-benefit analysis to determine the best ways to fund homeland security functions.