Mark S. Hamm is a former prison warden from Arizona and currently Professor of Criminology at Indiana State University and a Senior Research Fellow at the Terrorism Center, John Jay College of Criminal Justice, The City University of New York. His books include Terrorism as Crime: From Oklahoma City to Al-Qaeda and Beyond (NYU Press, 2007), and In Bad Company: America's Terrorist Underground . He is the recipient of the Frederick Milton Thrasher Award for Outstanding Gang Scholarship, and the Critical Criminologist of the Year Award from the American Society of Criminology.