"The goal of this report is to answer the mandate of chapter 228 of the acts of 2000 to identify and provide to the Secretary of Public Safety a listing of state police units or municipalities that appear to have engaged in racial or gender profiling. Using data on traffic citations and written warnings collected by the Massachusetts Registry of Motor Vehicles, this study examines the existence of racial and gender disparities in approximately 1.6 million traffic citations issued between April 1, 2001 and June 30, 2003. The citations analyzed in this report were received from the Massachusetts State Police, 340 municipal police departments and 25 other special police units"--Executive summary.