There are more than one million inmates behind bars in the U.S., and most will say that being in prison is like being in hell. This program examines the security that prevents escapes and keeps the volatile criminal population in check. Visit low, medium, and high security institutions, where administrators, prison guards, a psychologist, and inmates speak candidly about violence in prisons and the strict security measures, such as segregation (solitary confinement), designed to control it. At a modern prison in Canada, administrators discuss the Canadian focus on rehabilitation and demonstrate the electronic detection fields used to prevent escapes. (49 minutes)