Richard Knight's attorneys challenge constitutionality of his sentence and state's lethal injection protocol.

The ruling cited concerns over Edward Busby’s eligibility for capital punishment because of intellectual disability.

The death row inmate has asked the U.S. Supreme Court to halt his execution, pointing to a codefendant’s confession in the shooting death of two people.

Attorneys for a Tennessee death row inmate say they are concerned the state may be planning to use expired lethal injection drugs at his execution on Thursday, a growing concern across the country as states work to keep most information about their drugs secret.

Tennessee prison officials are refusing to confirm that they will not be using expired lethal injection drugs to execute Tony Carruthers on Thursday morning.

MEMPHIS, Tenn. — Tony Carruthers, a Tennessee inmate, is scheduled to be executed on Thursday unless Tennessee Governor Bill Lee chooses to halt it. Carruthers has spent more than 30 years on death row after being convicted in a 1994 Memphis kidnapping and murder case.