He earned a Ph.D. at Southern Illinois University at Carbondale. He most recently taught at the University of Alabama. His research interests include illicit drugs and drug policy, deviance, criminology, and race and ethnic relations. JongHan Kim is an assistant professor of psychology. He earned a Ph.D. at University of Maryland. He recently taught at the University of Alaska, Fairbanks. His research interests include interpersonal relations, decision making, self-presentation and other social psychology topics. Oscar Levin is a visiting assistant professor of mathematics. He earned a bachelor's degree in mathematics and philosophy from the University of Northern Colorado and a Ph.D. in mathematics at the University of Connecticut. His current research interests are in mathematical logic and computability theory.