Executive agencies with their major focus on crime and justice
U. S. Department of Justice has many component parts. See its Organization chart and Department of Justice Publications A-Z List.
Department of Homeland Security. Use Department Subcomponents and Agencies for a list of the agencies that are part of this department.
Office of National Drug Control Policy
Government's Judicial Branch
U. S. Courts including Federal Judicial Statistical Reports
United States Sentencing Commission, including Federal Sentencing Statistics by State, District, and Circuit