National Archive of Criminal Justice DataThe National Archive of Criminal Justice Data (NACJD) archives and disseminates data on crime and justice. NACJD is home to several large-scale datasets, including the National Crime Victimization Survey (NCVS), the FBI's Uniform Crime Reports (UCR), the FBI's National Incident-Based Reporting System (NIBRS), and the Project on Human Development in Chicago Neighborhoods (PHDCN).