Byron Black's implanted defibrillator did not shock him during his lethal injection by the state of Tennessee Aug. 5, ...

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

Witnesses said Black groaned on the gurney and attempted to lift his head multiple times as the lethal injection drugs flowed through him.

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

The execution of Byron Black raised questions for weeks over Tennessee’s death penalty law in connection with intellectual disability and potential suffering. In ...