Shaun L. Gabbidon is Distinguished Professor of Criminal Justice in the School of Public Affairs at Penn State Harrisburg. He earned his PhD in Criminology at Indiana University of Pennsylvania. Dr. Gabbidon has served as a fellow at Harvard University’s W. E. B. Du Bois Institute for Afro-American Research and as an adjunct faculty member in the Center for Africana Studies at the University of Pennsylvania. His areas of interest include race and crime, criminal justice and criminology pedagogy, and private security.  Professor Gabbidon is the author of more than 100 scholarly publications, including 60 peer-reviewed articles and 11 books.  Helen Taylor Greene is Professor of Administration of Justice in the Barbara Jordan–Mickey Leland School of Public Affairs (SPA) at Texas Southern University (TSU). She completed her BS in Sociology at Howard University, her MS in the Administration of Justice at American University, and both her MA in Political Science and PhD in Criminology at the University of Maryland, College Park. Her areas of research include race and crime, juvenile justice, and policing. She has authored and co-authored books, has peer-reviewed articles and book chapters, and has served as lead editor for the Encyclopedia of Race and Crime (2009).  Vernetta D. Young is Associate Professor in the Department of Sociology and Anthropology at Howard University. She completed her B.A. in Sociology at the University of Maryland, College Park, and attended Florida State University before completing her Ph.D. in Criminal Justice at the State University of New York at Albany. She has also taught at American University and the University of Maryland, College Park.