U.S. flag

An official website of the United States government, Department of Justice.

Drug policy

Booker and Beyond Analyzing Sentencing Reform and Exploring New Research Directions

January 2022

This webinar features a discussion of previously published research on the U.S. Supreme Court’s 2005 Booker decision - which effectively transformed the United States Sentencing Guidelines from a mandatory, to an advisory, system. The presentation will address selected research findings from the last 15 years. Individual participants will briefly review their previous research findings with particular attention paid to the analytic methods used.

Why Is the United States the Most Homicidal Nation in the Affluent World?

December 2013

Ohio State University Since World War II, the homicide rate in the U.S. has been three to ten times higher than in Canada, Western Europe, and Japan. This, however, has not always been the case. What caused the dramatic change? Dr. Roth discussed how and why rates of different kinds of homicide have varied across time and space over the past 450 years, including an examination of the murder of children by parents or caregivers, intimate partner violence, and homicides among unrelated adults.