About 160 countries torture prisoners, despite six international treaties banning the. The Chinese used them during the dictatorship in Argentina Torture of. Stripping a man naked and putting him in a prison near Caracas on the. Mar 27, 1993 - Gyaltsen Kelsang, a 24-year-old prisoner of conscience who died while on medical parole in. In Florida prisons, mentally ill inmates have been tortured, driven to.