This volume is aimed at scholars, policymakers, and criminal justice practitioners who are interested in the latest developments in criminal justice research. The seven essays contained in this book detail improvements on core issues that are relevant to criminal justice systems at both the national and international levels. The first essay, "Abolishing the Death Penalty Worldwide: The Impact of the New Dynamic" discusses the increase in countries around the world that have acted to abolish the death penalty. The second essay, "The Mostly Unintended Effects of Mandatory Penalties: Two Centuries of Consistent Findings" summarizes research on the implementation, operation, and deterrent effects of mandatory sentencing laws. The third essay, "Imprisonment and Reoffending" examines the effect of incarceration on reoffending. The fourth essay, "What Explains Persistent Racial Disproportionality in Minnesota's Prison and Jail Populations?" provides a State-level analysis of racial disparities at all stages of arrest and imprisonment in Minnesota's criminal justice system. The fifth essay, "Reducing School Bullying: Evidence-Based Implications for Policy' examines the results of evaluations of anti-bullying programs. The sixth essay, "Listening to the Crime Victim: Evaluating Victim Input at Sentencing and Parole" examines the use of victim input into the determination and subsequent administration of legal punishments. The seventh essay, "Research on Terrorism and Counter Terrorism" discusses criminology-related literature on terrorism and presents data on characteristics of worldwide terrorism since 1970.