The attack happened at the Federal Correctional Institution, Tucson, a medium-security prison that has been plagued by security lapses and staffing shortages.
Former Minneapolis police Officer Derek Chauvin is making another attempt to overturn his federal civil rights conviction in the 2020 murder of George Floyd.
The Minnesota Court of Appeals on Monday upheld former Minneapolis police officer Derek Chauvin's second-degree murder conviction in the killing of George Floyd