1. Introduction / James P. Lynch and Lynn A. Addington -- Overview of the Two National Measures of U.S. Crime -- 2. Introduction to the National Crime Victimization Survey / Callie Marie Rennison and Michael Rand -- 3. Introduction to the Uniform Crime Reporting Program / Cynthia Barnett-Ryan -- Defining Divergence and Convergence -- 4. What Is Convergence, and What Do We Know About It? / David McDowall and Colin Loftin -- Sources of Divergence in the NCVS -- 5. Methodological Change in the NCVS and the Effect on Convergence / Shannan M. Catalano -- 6. Series Victimizations and Divergence / Mike Planty -- 7. Exploring Differences in Estimates of Visits to Emergency Rooms for Injuries from Assaults Using the NCVS and NHAMCS / Jacqueline Cohen and James P. Lynch -- Sources of Divergence in the UCR -- 8. Using NIBRS to Study Methodological Sources of Divergence Between the UCR and NCVS / Lynn A. Addington -- 9. Explaining the Divergence Between UCR and NCVS Aggravated Assault Trends / Richard Rosenfeld -- 10. Missing UCR Data and Divergence of the NCVS and UCR Trends / Michael D. Maltz -- 11. Conclusion / James P. Lynch and Lynn A. Addington.