I just learned about the Criminal Justice/Legal History Network. Their webpage reads:
The Criminal Justice/Legal History Network is part of the Social Science History Association (SSHA) and the European Social Science History Conference (ESSHC). It is made up of historians, sociologists, economists, criminologists, geographers, lawyers, and other academics and independent scholars who are interested in the history of crime, policing and the law. Members include both "bean counters" and "non-bean counters," scholars focusing on statistics and those exploring the meanings of narratives. The network’s purpose is to provide an international forum for the exchange of ideas and research across disciplines and methodologies. Many members of the network attend the annual meetings of the SSHA and the bi-annual meetings of the ESSHC to participate in sessions, roundtables, and poster displays that include the presentation of papers and discussion on important books, ongoing research projects and new research methods. In addition, members enjoy conference ‘Crime Gang’ dinners and other informal gatherings. While membership in the SSHA is necessary for participating in its conferences, it is not necessary for being a member of the Criminal Justice/Legal History network.
Note that the next ESSHC conference will be held soon in Ghent, Belgium from 14-17 April 2010. The next SSHA conference (on 'Power and Politics') is in Chicago, Illinois from 18-21 November 2010. Unfortunately, the Calls for Papers have past. Additional information on the Criminal Justice/Legal History Network is available on their site.