The John D. and Catherine T. MacArthur Foundation Grants (focus on crime prevention and public safety) is sponsored by The John D. and Catherine T. MacArthur Foundation. The MacArthur Foundation supports various initiatives, including crime prevention and public safety projects. Law enforcement agencies might find opportunities for technology and equipment related to these focus areas.

The Criminal Justice grant program is a funding initiative from the MacArthur Foundation that works to address over-incarceration and reduce racial and ethnic disparities in the American justice system. Through the Safety and Justice Challenge, the Foundation funds local reform efforts aimed at safely reducing jail populations and making local justice systems more equitable and fair. Grants have been awarded to organizations working on local criminal justice reform since 2013. Funding amounts and deadlines are determined on a grant-by-grant basis. Eligible applicants should consult the MacArthur Foundation's grant guidelines for current opportunities and eligibility requirements.