Bayley, David, and David Weisburd. 2009. "Cops and Spooks: The Role of Police in Counterterrorism." In To Protect and To Serve: Policing in an Age of Terrorism, eds. David Weisburd, Thomas E. Feucht, Idit Hakimi, Lois Felson Mock, and Simon Perry. New York City, NY:Springer, 81-100.