See the Criminal Justice box on the subpage, "Freely Searchable Databases by Subject for Alumni." https://libguides.wustl.edu/c.php?g=46890&p=301116#s-lg-box-888613
Datasets related to criminal justice. Many federal datasets are free to use. Requires free registration to access datasets. https://www.icpsr.umich.edu/web/pages/NACJD/index.html
Covers corrections, courts, drugs and crime, law enforcement, juvenile justice, crime statistics, domestic preparedness, and victims of crime. https://www.ojp.gov/ncjrs/virtual-library/search
The Model Programs Guide MPG database of evidence-based programs covers the entire continuum of youth services from prevention through sanctions to reentry. https://ojjdp.ojp.gov/model-programs-guide/home