In the early 1970s there were fewer than 500,000 prisoners incarcerated in Federal and state prisons in the US: a rate of approximately 100 imprisoned persons per 100,000 of population. Today more tha
In the late 20th century, the United States experienced an incarceration explosion. Over the course of twenty years, the imprisonment rate quadrupled, and today more than than 1.5 million people are h
