He was sentenced to 150-to-200 years in prison, and began serving his sentence at Stateville in Crest Hill. In 1995, Hoover was revealed to be the subject of a joint investigation by Illinois ...

NBC Chicago reached out to the Bureau of Prisons, which oversees ADX Florence, for comment. We have not heard back at the time of publishing. Hoover, 74, had been a federal inmate since 1998.

The prison, shown above, also is known as ADX Florence. It is the federal system’s supermax prison, in Florence, Colorado. Federal Bureau of Prisons photo/Wikipedia ...

What's life like inside ‘Supermax' prison where Larry Hoover spent 2 decades "The only way out of there if you're a prisoner, is a body bag," said NBC Chicago’s Chuck Goudie on a recent ...

Who is Larry Hoover, what is ‘ADX Florence' and more questions answered Hoover's sentence was commuted Wednesday, one of more than two-dozen actions taken by President Trump ...

Petty, 56, was serving a life sentence at ADX Florence, the highest-security federal prison in the U.S., when prosecutors say he killed a fellow inmate in the same unit in 2020.