Ronet Bachman, PhD, is Professor and Chair of the Department of Sociology and Criminal Justice at the University of Delaware. She is coauthor of Statistical Methods for Crime and Criminal Justice (3rd ed.), and coeditor of Explaining Crime and Criminology: Essays in Contemporary Criminal Theory. In addition, she is author of Death and Violence on the Reservation; coauthor of Stress, Culture, and Aggression in the United States; coauthor of Murder American Style; and coauthor of Violence: The Enduring Problem as well as numerous articles and papers that examine the epidemiology and etiology of violence, with a particular emphasis on women, the elderly, and minority populations. She is… currently the Co-PI of a National Institute of Justice�funded study to examine the trajectories of drug-involved offenders 10 years after release from prison using a mixed-method design.