Understanding Criminal Networks

List of Illustrations and Tables 1. READ FIRST A Practical Example Problem-Oriented Policing P.I.V.O.T. Utility of Social Network Analysis Objective of this Book Organization of the Book 2. DEMYSTIFYING SOCIAL NETWORK ANALYSIS Example Project Methods Units Focus Relations Analytic Options 3. SOCIAL NETWORK THEORY 101 Assumptions of Social Network Analysis Four Essential Theoretical Perspectives Strength of Weak Ties Structural Holes Theory of Social Capital Small-World Perspective Contagion and Three Degrees of Influence Suggested Readings 4. CONNECTED CRIMINALITY Overview of Theoretical Congruence Biopsychological Theories Control Theories Developmental Theories Strain Theories Hyperdyadic Social Learning in the World of Methamphetamine Data Source and Inspiration Learning Theory Refresher Integrating Learning Theory with Hyperdyadic Spread— Methamphetamine Example Visualizing Anonymous Networks Suggested Readings 5. CONNECTED EVENTS Overview of Theoretical Congruence Deterrence and Situational Theories Neighborhood Ecological Theories A Networked Account of Opportunity Theories Crime Pattern Theory Routine Activity Theory An Integrated Theory of Networked Opportunity Suggested Readings 6. WHO IS WHO? Rapid Onset Current Understanding Co-offending Criminal Groups Criminal Enterprise 7. GATHERING DATA Assembling Information about Criminal Networks Research Designs Sampling Collecting Data Small World Method Suggested Readings 8. MAPPING NETWORKS Data Integration Consolidating Relational Information Entity Resolution Estimating the Amount of Missing Data Sensitivity Analysis Detecting Corrupted Data Digit Analysis Example Digital Analysis of Global Weapons Trade Final Words of Advice 9. DESCRIBING NETWORKS Describing the Whole Network General Descriptive Statistics Structural Description of a Whole Network Clustering Investigating Actor Positioning Degree Centrality Betweenness Centrality Egocentric Networks Descriptive Statistics Measures of Central Positioning 10. ADVANCED ANALYTIC OPTIONS Transitivity Nondirected Graphs Directed Graphs Gang Violence Example Subgroup Identification Top-Down Approaches Bottom-Up Approaches Example Application Advanced Analytics 11. PRODUCING PROFESSIONAL PRODUCTS Making Critics Happy Visualizing Connections Slices and Layouts Image Elements Presentation Tips Drivers Academic Research Centers Practitioner-Oriented Programs Professional Associations and Training Opportunities Concluding Remarks References Index