Jon Heidt is an assistant professor of criminology at the University of the Fraser Valley in British Columbia, Canada. He received his B.A. in sociology from the University of Montana and his Ph.D. from Simon Fraser University in 2011. He has been studying theories for over 10 years and has taught theory and methods courses at several academic institutions. His work has appeared in Critical Criminology, The Journal of Theoretical and Philosophical Criminology, and The Encyclopedia of Criminology and Criminal Justice. Dr. Heidt was also involved with research on the supervised injection sites in Vancouver's Downtown Eastside. His other interests include corrections, evidence-based policies, ethnography, and drug policy legislation. Johannes Wheeldon is an assistant professor at Norwich University in Northfield, Vermont. He received his B.A. in political science from Dalhousie University, his LLM from Durham University, and his Ph.D. from Simon Fraser University in 2009. He has focused on the practical application of criminological theory in policing, courts, and corrections and explored how visual maps can assist students to understand the assumptions behind methodological approaches and research traditions. Recent work has appeared in The Journal of Criminal Justice Education, Theoretical Criminology, and Canadian Political Science Review. The Open Society Foundation funds his current work on debate, juvenile justice, and international human rights. Other scholarly interests include philosophy of justice, mixed methods, and visual criminology.