CONTRIBUTORS Paul de Armond is director of the Public Good Project, a research and education network based in Washington State that studies militant movements. Tiffany Danitz is a journalist and a staff writer for stateline.org, an online news service that covers politics in the state legislatures. Earlier, she wrote extensively about national and international politics as a staff writer for Insight Magazine and The Washington Times. Dorothy Denning is professor of computer science at Georgetown University and author of Cryptography and Data Security and Information Warfare and Security. Sean Edwards is a doctoral fellow at the RAND Graduate School and author of Swarming on the Battlefield: Past, Present, Future. Luther Gerlach is professor emeritus of anthropology at the University of Minnesota. He is coauthor of People, Power, Change: Movements of Social Transformation and has written numerous articles on social movements and environmental risks. Warren Strobel is a journalist who has worked at The Washington Times, U.S. News and World Report, and is currently with the Knight Ridder News Service. He has written widely about international affairs. John Sullivan is a sergeant with the Los Angeles Sheriff’s Department. A specialist in terrorism, conflict disaster, urban operations, and police studies, he is editor of Transit Policing and cofounder of the Terrorism Early Warning (TEW) Group. 373 374 Networks and Netwars: The Future of Terror, Crime, and Militancy Phil Williams is professor of international affairs at the University of Pittsburgh and director of the Ridgway Center for International and Security Studies. He is a leading authority on transnational criminal networks. Michele Zanini is a doctoral fellow at the RAND Graduate School and has written about information-age terrorism, NATO strategy in the Balkans and Mediterranean, and European defense planning.