But private prisons often contractually exempt themselves from the financial burdens of medically expensive—which is to say older—inmates. It should come as no surprise, then, that according to the study, the "states in which the private versus public racial disparities are the most pronounced also happen to be the states in which the private versus-public age disparities are most salient."
"Race is basically a proxy for health, and therefore age," said Bob Libal, executive director of Grassroots Leadership, a criminal justice advocacy group opposed to the for-profit prison industry. "Private prisons pluck healthy folks and send people who are less healthy and therefore more expensive to incarcerate back to the public system." Read more about Why Are Minorities Overrepresented in Private Prisons?