Reading Time: 6 minutes In American prisons, solitary confinement refers to the practice of keeping people in concrete boxes the size of wheelchair-accessible bathroom stalls, 22 or more hours a day, 7 days a week, for months and years on end. But this practice may be coming to an end.

Keramet Reiter
Keramet Reiter is a professor of criminology and law at the University of California, Irvine. She researches and writes about punishment.