This document is a thesis submitted to Keele University in 2009 by Gordon Stuart Rhoads investigating multi-organizational confluence in security policy in the United States post 9/11. It examines the creation and implementation of new security policies through the lens of securitization theory and analyzes the localized response in Metropolitan Philadelphia. The thesis focuses on identifying security actors and objects involved in counterterrorism efforts and the challenges that arise from the interplay between organizations under the Department of Homeland Security umbrella.