This is an open access article published in Journal of Terrorism Research. This work is licensed under a Creative Commons Attribution 3.0 License (http://creativecommons.org/licenses/by/3.0/)
Except where otherwise noted within the work, this item's licence for re-use is described as This is an open access article published in Journal of Terrorism Research. This work is licensed under a Creative Commons Attribution 3.0 License (http://creativecommons.org/licenses/by/3.0/)