books.google.co.nz - "Since the 9/11 terror attacks, the development and implementation of counterterrorism strategies has been a top priority in national security policies in many countries. Yet as the number and scope of these programs grow--with spending to matc--few studies have determined whether they are productive,...http://books.google.co.nz/books/about/Evidence_based_Counterterrorism_Policy.html?id=dSNuIg92i9gC&q=threat&utm_source=gb-gplus-shareEvidence-based Counterterrorism Policy
