Chris Williams is a Senior Lecturer in History at the Open University, and a member of the ‘Harm and Evidence Research Collaborative’ (HERC) there: he is also the Arts Media Fellow, responsible for liaising with Arts academics regarding the OU’s open-access broadcast and online projects. His broadcast work for the OU includes originating the Radio 4 series ‘The Things We Forgot To Remember’. His research covers the history of criminal justice in the UK and its empire in the last two centuries: his most recent major publication on this topic was the book Police control systems in Britain, 1775-1975: From parish constable to national computer, (Manchester University Press, Manchester, 2014). Chris is also the convenor of the History & Policy seminar series at the Home Office.