Introduction: The Nature and Scope of a Moral Science, Anthony Bottoms (University of Cambridge, UK) and Jonathan Jacobs (City University of New York, USA) Part I: Orientations 1. Criminology and Moral Philosophy: Prospects for Fuller Engagement, Jonathan Jacobs (City University of New York, USA) 2. Implementing the 'Moral Turn' in the Social Sciences: Three Obstacles and Three Solutions, Christine Swanton (University of Auckland, New Zealand) Part II: Criminal Justice-Related Ethical Dilemmas 3. Whistleblowing: An Ethical Analysis of Police Officers' Reporting of Misconduct by Colleagues, Justice Tankebe (University of Cambridge, UK) 4. Morality and Motherhood of (Ex-)Prisoners' Children, Caroline Lanskey (University of Cambridge, UK), Lucy Markson (University of Cambridge, UK), Karen Souza (United States Sentencing Commission, USA), Sophie Ellis (University of Cambridge, UK), Friedrich Lösel (University of Cambridge, UK) and Jennifer Barton-Crosby (NatCen Social Research, UK) Part III: Moral Emotions: Shame And Guilt 5. A Plea for Guilt, Sophie-Grace Chappell (University of St. Andrews, UK) 6. Taking the Long View: The Role of Shame and Guilt in Desistance, Alice Ievins (University of Liverpool, UK) Part IV: Desistance From Crime: Analyses In Positive And Critical Morality 7. 'Yo, God, What Should I Do?': Striving for Moral Consistency after Prison, Ryan Williams (University of Queensland, Australia) 8. Ethical Aspects of Journeys towards Desistance by Male Young Adult Recidivists, Anthony Bottoms (University of Cambridge, UK) and Caroline Lanskey (University of Cambridge, UK) 9. Living Non-Criminal Lives: What Role for the State? Matt Matravers (University of York, UK)