Marvin D. Krohn is Professor of Criminology in the Department of Sociology and Criminology & Law at the University of Florida. He has a long-standing interest in the etiology of delinquency and drug use, focusing primarily on social psychological and life course approaches. For the past 25 years, he has been Co-Principal Investigator on the Rochester Youth Development Study, a three-generational longitudinal panel study targeting those at high risk for serious crime and delinquency. He is co-author of Gangs and Delinquency in Developmental Perspective (2003), which was the American Society of Criminology’s recipient of the 2003 Michael J. Hindelang Award for Outstanding Scholarship. He is also co-author of Researching Theories of Crime and Delinquency (2008) and Delinquent Behavior (1986) and has co-edited four compendiums on crime and delinquency. He was recently named a Fellow of the American Society of Criminology.

Jodi Lane is Professor of Criminology in the Department of Sociology and Criminology & Law at the University of Florida. Her research focuses on the impact of the juvenile justice system on both clients and practitioners. She has conducted evaluations of innovative juvenile justice programs, including the South Oxnard Challenge Project in California and the Florida Faith and Community-Based Delinquency Treatment Initiative. She was recently named one of the most prolific lead and sole authors in elite criminology and criminal justice journals (Orrick and Weir, 2011). Her work has appeared in a number of journals, including Journal of Research in Crime and Delinquency, Crime and Delinquency, Justice Quarterly, and Criminal Justice and Behavior.