Black was a man of undisputed intellectual disability, with multiple mental and physical health problems, who faced the ...

Black, 69, was killed by lethal injection in Tennessee for the murder of his girlfriend and her two daughters.

Lawyers for Byron Black argued that executing him without deactivating the device would shock him back to life.

A Tennessee death row inmate cried out in pain after authorities refused to deactivate his implanted defibrillator as he was ...

Experts warned Black’s heart implant could shock him repeatedly during lethal injection, but the state killed him without ...