James P. Lynch is Director of the Bureau of Justice Statistics, on leave from his position as Distinguished Professor at John Jay College in New York. He is the co-author of Understanding Crime Statistics (Cambridge University Press, with Lynn A. Addington), Understanding Crime Incidence Statistics: Why the UCR Diverges from the NCS (with Albert D. Biderman) and Immigration the World Over: Statutes, Policies, and Practices (with Rita J. Simon). Professor Lynch has published in many journals, including Criminology, the Journal of Quantitative Criminology and Justice Quarterly.