The conditions were brutal, they had small rations and poor shelter. The conditions plummeted through the years and toward the end they were close to torture. Shortly after the conditioned worsened the number of prisoners shot up to 100,000
Most the prisoners were addicted to heroin, starved, had a disease, and a great number even died. The death rate exceeded 28%. In the North especially they kept them captive, but 95% of people in captivity died. A handful of prisoners tried to escape, yet few succeed resulting in more death.
The larger prisons were located in Alton, Illinois, and New York.