Ben Crewe is Professor of Penology and Criminal Justice, and deputy director of the Prisons Research Centre, at the Institute of Criminology, University of Cambridge, UK. He has published widely on prisons and imprisonment, including his 2009 monograph 'The Prisoner Society' and (with Susie Hulley and Serena Wright) his recent book 'Life Imprisonment from Young Adulthood: Adaptation, Identity and Time'. Andrew Goldsmith Matthew Flinders Distinguished Professor of Criminology, and Director of the Centre for Crime Policy and Research, Flinders University, Adelaide Australia. He co-authored (with Mark Halsey and Andrew Groves) Tackling Correctional Corruption: An Integrity Promoting Approach (Palgrave 2016). He has more recently co-authored (with several others) a book on Cybercrime Prevention (Palgrave 2019). Previously, for Clarendon Press, he edited (and contributed to) Complaints Against the Police: The Trend to External Review (Clarendon, 1991). Mark Halsey is Professor of Criminology, Centre for Crime Policy and Research, Flinders University, Australia. He is the co-author of Generations Through Prison: Experiences of Intergenerational Imprisonment (Routledge 2020) and Young Offenders: Crime, Prison and Struggles for Desistance (Palgrave 2015).