To raise revenue and make up for budget shortfalls, cities, states, courts, and prosecutors levy hefty fines at nearly every stage of the criminal justice system. People leaving prison owe on average $13,607 in fines and fees. For those who are poor, these fees can be catastrophic. An inability to pay can lead to a suspended license, additional fees, and even jail. In this Explainer, we explore all the ways the poor are regressively taxed in the justice system, and what can be done to stop these practices.