events
October 22, 1983
Two correctional officers are killed by inmates at the United States Penitentiary in Marion, Illinois. The incident inspires the Supermax model of prisons.
Marion, Illinois
The city of Marion is the county seat of Williamson County, Illinois, United States. The population in Marion, IL was 16,855 according to the 2020 census.
Supermax prison
A super-maximum security (supermax) or administrative maximum (ADX) prison is a "control-unit" prison, or a unit within prisons, which represents the most secure level of custody in the prison systems of certain countries.
October 22
October 22 is the 295th day of the year in the Gregorian calendar; 70 days remain until the end of the year.