Ishmael Petty, who was separately convicted of assaulting prison employees, is the latest to face a possible death sentence ...

The remorseless killer has been in the Colorado supermax since he murdered ... Petty almost killed two prison library staff in 2013 when they delivered him books, and allegedly managed to murder ...

WASHINGTON (AP) — The Justice Department will seek the death penalty for a man accused of killing a fellow prisoner at the federal government’s “Supermax” prison in Florence, Colorado ...

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. He was sentenced ...