“Many fees are imposed on people convicted even of minor offenses. The myriad fees imposed by every actor in the local justice system (jail bed fees, court fines, court costs, drug and mental health courts, district attorney probation, community supervision, etc.) keep people mired in a cycle of debt and poverty.”
-Vera Institute of Justice report on overcrowding at the Oklahoma County jail, which opened in 1991 with an inmate capacity of 1,200 but housed 2,651 people in November 2015 (Source)