Steve Chermak, Andy Bringuel and Joshua Freilich, 2011 This chapter was published in A. J. Bringuel, J. C. Janowicz, A. C. Valida, E. F. Reid (Eds.). Terrorism research & analysis project. Subscription may be required to read the full chapter. 2011 Copyright Michigan State University Board of Trustees. To read the full chapter, click here.