Dr. Shelley A. Kirkpatrick is a principal analyst at the Homeland Security Institute (HSI). The views expressed in this article are her own and do not necessarily reflect HSI opinion or policy. Her main area of interest is indirect or remote assessment of behavior; she has developed and used methods for assessing behavior, the environment in which the behavior occurs and personal characteristics of adversaries. Dr. Kirkpatrick has recently joined Management Concepts in Vienna, Virginia, where she is the Director of Assessment Services.