Mathematical methods in counterterrorism: tools and techniques for a new challenge -- Part 1. Network Analysis -- Modeling criminal activity in urban landscapes --Extracting knowledge from graph data in adversarial settings -- Mathematically modeling terrorists cells : examining the strength of structures of small sizes -- Combining qualitative and quantitative temporal reasoning for criminal forensics -- Two theoretical research questions concerning the structure of the perfect terrorist cell -- Part 2. Forecasting -- Understanding terrorist organizations with a dynamic model -- Inference approaches to constructing covert social network topologies -- A mathematical analysis of short-term responses to threats of terrorism -- Network detection theory -- Part 3. Communication/Interpretation -- Security of underground resistance movements -- Intelligence constraints on terrorist network plots -- On heterogeneous covert networks -- Two models for semi-supervised terrorist group detection -- Part 4. Behavior -- CAPE: Automatically predicting changes in groupbehavior -- Interrogation methods and terror networks -- Terrorists and sponsors : an inquiry into trust and double-crossing -- Simulating terrorist cells : experiments and mathematical theory -- Part 5. Game Theory -- A brinkmanship game theory model of terrorism -- Strategic analysis of terrorism -- Underfunding in terrorist organizations -- Part 6. Personal reflections on beauty and terror.