(CHICAGO) — For 23 hours a day, Larry Hoover, the founder of notorious street gang Gangster Disciples, had been sitting in a 7-by-12-foot concrete cell at the ADX Florence federal supermax facility in Colorado, where he spent 27 years in almost complete isolation, according to his attorneys.

Earlier this year, President Donald Trump commuted his federal life sentence, ending nearly three decades of federal confinement.

Hoover, 74, remains imprisoned under a separate Illinois state sentence, an up-to-200-year term stemming from a 1973 murder conviction.

Since that transfer to the Colorado State Penitentiary earlier this year, his attorneys say, Hoover has suffered three heart attacks while performing prison labor, the most recent in September. They describe, in a newly filed legal petiti

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