A jury has convicted an Ely State Prison inmate of killing three other inmates during a 2024 attack.
Four inmates across two Nevada State Prisons died in suspected homicides in July and August.
The warden of a maximum-security Wisconsin prison and eight members of his staff have been charged following investigations into the deaths of four inmates at the troubled facility over the past year.
Detectives found out by monitoring phone calls between the two.
Griner was freed in an exchange in which the United States released convicted Russian arms dealer Viktor Bout.
His latest effort will soon free about 3,100 inmates by granting most a one-time three-month credit.
The Afghan government says it will free 900 prisoners, its single largest prisoner release since the U.S. and the Taliban signed a peace deal.
Iranian media is reporting that Iran says it is ready for unconditional prisoner-swap talks with the United States because of fears that the coronavirus could put prisoners' lives at risk.
Iranian state-run media say prisoners in southern Iran broke cameras and caused other damage during a riot.
Afghanistan's president says he will not free thousands of Taliban prisoners ahead of all-Afghan power-sharing talks set for next week, publicly disagreeing with a timetable laid out just a day earlier in a U.S.-Taliban peace deal.