Dr John Martyn Chamberlain is a Medical Criminologist at Southampton University. His academic background covers criminology, law, bioethics and medical sociology. His primary research interests include the study of medical malpractice, negligence and criminality, as well as the role played by specialist forms of medical and health-care expertise in the identification and governance of ¿troublesome¿ social groups, including the unwell, the deviant, and the criminally insane. Drawing on this background, he has written widely on medical-legal developments in the regulation and discipline of doctors, as well as contemporary developments in criminological theory and research, publishing two well-received introductory textbooks Understanding Criminological Research (Sage 2012) and Criminological Theory in Context (Sage 2015).