Restorative Justice: the Evidence
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restorative justice: the evidence The Smith Institute The Smith Institute is an independent think tank that has been set up to look at issues which flow from the changing relationship between social values and economic imperatives. If you would like to know more about the Smith Institute please write to: restorative justice:theevidence restorative By Lawrence W Sherman and Heather Strang The Director The Smith Institute 3rd Floor 52 Grosvenor Gardens London SW1W 0AW Telephone +44 (0)20 7823 4240 Fax +44 (0)20 7823 4823 Email [email protected] Website www.smith-institute.org.uk Designed and produced by Owen & Owen 2007 RJ_Text_FINAL 5/2/07 10:51 Page 1 THE SMITH INSTITUTE restorative justice: the evidence By Lawrence W Sherman and Heather Strang Jerry Lee Program of Randomized Trials in Restorative Justice In collaboration with Geoffrey Barnes Sarah Bennett Caroline M Angel Dorothy Newbury-Birch Daniel J Woods Charlotte E Gill Please direct all correspondence to [email protected] A note on format This report follows a modified UK Cabinet Office format of unpacking the content like a website: a one-page abstract, a three-page executive summary, and a detailed introductory section that summarises the findings of the full report. This format enables the users of the document to read – or circulate – either the abstract alone, the abstract plus the three-page executive summary, the abstract plus the introductory overview (section 1) of the full report, or the entire document. This format is designed to provide different levels of detail for different kinds of readers, and to support the different ways in which information is digested for different stages and levels of discussion and decision making. Published by the Smith Institute ISBN 1 905370 16 4 This report, like all Smith Institute monographs, represents the views of the authors and not those of the Smith Institute. © The Smith Institute 2007 RJ_Text_FINAL 5/2/07 10:51 Page 2 THE SMITH INSTITUTE Contents Preface 3 By Wilf Stevenson, Director, Smith Institute Abstract 4 About the authors 5 Foreword 6 By Jerry Lee, President of the Jerry Lee Foundation Acknowledgements 7 Executive summary 8 1. Introduction and overview 12 Key findings: tables 1 to 5 2. A tale of three RJ conferences 26 3. Varieties of restorative justice 32 4. The process of restorative justice 36 5. Restorative justice and the rule of law 44 6. How we know what works – and what doesn't 48 7. Restorative justice in the UK: the four settings 52 • Adult justice • Youth justice • Schools • Neighbourhood policing 8. Keeping promises versus following orders: how RJ compares 58 9. Reducing harm to victims 62 10. Reducing repeat offending 68 11. Rare events: when RJ backfires – and why 74 12. Other effects on crime 78 13. Getting cases brought to justice 82 14. Could RJ reduce the financial costs of justice? 86 15. More justice, less crime: a way forward 88 Bibliography 92 2 RJ_Text_FINAL 5/2/07 10:51 Page 3 THE SMITH INSTITUTE Preface Wilf Stevenson, Director, Smith Institute The Smith Institute is an independent think tank which has The aim of the project was to bring together the results of been set up to undertake research and education in issues that RJ trials in order to set out a definitive statement of what flow from the changing relationship between social values and constitutes good-quality RJ, as well as to draw conclusions both economic imperatives. In recent years the institute has centred as to its effectiveness with particular reference to reoffending its work on the policy implications arising from the interactions and as to the role that RJ might play in the future of Britain’s of equality, enterprise and equity. youth and criminal justice systems. In 2004-05 the Smith Institute ran a highly successful series of The Smith Institute thanks Sir Charles Pollard, Rob Allen and seminars looking at case studies of the use of restorative justice Professor Mike Hough for their hard work as members of the techniques among criminals and their victims, in schools and steering committee convened to commission and oversee the within communities and neighbourhoods. Building on the academic rigour of this report. impressive accounts of how powerful restorative justice techniques could be, as a way both of changing behaviour and The Smith Institute gratefully acknowledges the support of the of mitigating harm, this independent report was commissioned Esmée Fairbairn Foundation towards this publication. by the Smith Institute in association with the Esmée Fairbairn Foundation in order to examine the evidence on restorative justice (RJ) from Britain and around the world. 3 RJ_Text_FINAL 5/2/07 10:51 Page 4 THE SMITH INSTITUTE Abstract A review of research on restorative justice (RJ) in the UK and (RCTs), conducted with youth under 30 in Canberra, females abroad shows that across 36 direct comparisons to conventional under 18 in Northumbria, and (mostly) males under 14 in criminal justice (CJ), RJ has, in at least two tests each: Indianapolis. Reasonable comparisons also show effects for adult males in West Yorkshire and the West Midlands, as well as for • substantially reduced repeat offending for some offenders, violent families in Canada. but not all; • doubled (or more) the offences brought to justice as diversion Property crimes from CJ; Five tests of RJ have found reductions in recidivism after • reduced crime victims’ post-traumatic stress symptoms and property crime. Four were RCTs done with youth: in Northumbria, related costs; Georgia, Washington and Indianapolis. Diversion of property • provided both victims and offenders with more satisfaction offenders to RJ, however, increased arrest rates among a small with justice than CJ; sample of Aboriginals in Canberra. • reduced crime victims’ desire for violent revenge against their offenders; Victim benefits • reduced the costs of criminal justice, when used as diversion Two RCTs in London show that RJ reduces post-traumatic stress; from CJ; in four RCTs RJ reduces desire for violent revenge; in four RCTs • reduced recidivism more than prison (adults) or as well as victims prefer RJ over CJ. prison (youths). RJ versus prison These conclusions are based largely on two forms of restorative In Idaho an RCT of RJ as court-ordered restitution did no worse justice (RJ): face-to-face meetings among all parties connected than short jail sentences for youth. In Canada adults diverted to a crime, including victims, offenders, their families and friends, from prison to RJ had lower reconviction rates than a matched and court-ordered financial restitution. Most of the face-to-face sample of inmates. evidence is based on consistent use of police officers trained in the same format for leading RJ discussions. These meetings Offences brought to justice have been tested in comparison with conventional criminal Five RCTs in New York and Canberra show diversion to RJ yields justice (CJ) without benefit of RJ, at several stages of CJ for OBTJ (offences brought to justice) rates 100% to 400% higher violence and theft: than CJ, including for robbery and assault, when offenders take responsibility but need not sign full admission to crime. • as diversion from prosecution altogether (Australia and US); • as a pre-sentencing, post-conviction add-on to the A way forward sentencing process; The evidence on RJ is far more extensive, and positive, than it has • as a supplement to a community sentence (probation); been for many other policies that have been rolled out nationally. • as a preparation for release from long-term imprisonment to RJ is ready to be put to far broader use, perhaps under a resettlement; “Restorative Justice Board” that would prime the pump and • as a form of final warning to young offenders. overcome procedural obstacles limiting victim access to RJ. Such a board could grow RJ rapidly as an evidence-based Violent crimes policy, testing the general deterrent impact of RJ on crime, and Six rigorous field tests found RJ reduced recidivism after adult or developing the potential benefits of “restorative communities” youth violence. Three of these were randomised controlled trials that try RJ first. 4 RJ_Text_FINAL 5/2/07 10:51 Page 5 THE SMITH INSTITUTE About the authors Lawrence W Sherman is the Wolfson Professor of Criminology at Criminology at the University of Pennsylvania, Director of the the University of Cambridge,1 Director of the Jerry Lee Center of Canberra RISE project (now in its 12th year), senior author of the Criminology at the University of Pennsylvania, Past President of Campbell Collaboration Systematic Review of Restorative Justice, the American Academy of Political and Social Science, the Fellow of the Academy of Experimental Criminology and author American Society of Criminology and the International Society of the 2002 Oxford Press book, Repair or Revenge: Victims & of Criminology, and senior author of the 1997 report to the Restorative Justice. US Congress Preventing Crime: What Works, What Doesn’t, What’s Promising. For more information about the work of the authors on restorative justice, see: Dr Heather Strang is the Director of the Centre for Restorative http://www.aic.gov.au/rjustice/rise/ Justice at the Australian National University, Lecturer in http://www.sas.upenn.edu/jerrylee/research/rj.htm 1 From Easter Term 2007 5 RJ_Text_FINAL 5/2/07 10:51 Page 6 THE SMITH INSTITUTE Foreword Jerry Lee, President of the Jerry Lee Foundation It is almost 10 years since the Attorney General of the US, Janet The programme’s co-directors, Lawrence Sherman and Heather Reno, submitted an independent, scholarly report to the US Strang, are also undertaking a wider review of the evidence on Congress entitled Preventing Crime: What Works, What Doesn’t, restorative justice for the International Campbell Collaboration, a What’s Promising (1997).2 When I read that report shortly after it peer-reviewed network for the systematic review of the was published, I immediately sensed a sea change in the way effectiveness of public programmes.3 No one is better qualified democracies would talk about crime prevention.