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3. Bureau of Justice Statistics. (February 2021). Federal prisoner statistics collected under the First Step Act, 2020.
4. Bureau of Prisons. (2023). UNICOR. https://www.bop/gov/inmates/custody_andcare/unicorn_about.jsp
5. Carson, E. & Kluckow, R. (2023). Correctional populations in the United States, 2021-statistical tables. https://gjs.ojp.gov/documents/cpus21/st.pdf rateat which persons.810 per 100%2C.