I often get requests on how to plan, organize, and conduct a mock crime and mock trial for Psychology & Law classes.
Here are some sources to get you started:
MacLin, M. K. (Winter, 2006). Implementing a mock crime, investigation and trial into your psychology and law course. AP-LS Teaching Techniques. American Psychology-Law Society. Available: http://www.ap-ls.org/publications/newsletters/aplsnews.win2006.pdf
MacLin, M. K., Tapscott, R., Peterson, D., & MacLin, O. H. (May, 2008). Using CSI to teach science to middle school students. Poster presented at the Teaching Institute of the Association for Psychological Science, Chicago, IL. Link
A link to my Psychology & Law class website: http://www.psychologicalscience.com/psylaw/
A link to project and role information: http://www.psychologicalscience.com/psylaw/2010/08/mock-crimemock-trial-project-information.html