Oklahoma prepares to execute man who fatally stabbed Tulsa mother in 1995

• Jemaine Cannon was convicted of killing 20-year-old mother Sharonda Clark with a butcher's knife in 1995. • Cannon claimed at a clemency hearing last month that he killed Clark in self-defense. • Cannon is set to be executed by the state of Oklahoma at 10 a.m. on July 20, 2023. Oklahoma is preparing to execute a man Thursday for stabbing a Tulsa woman to death with a butcher knife in 1995 after his escape from a prison work center. Jemaine Cannon, 51, is scheduled to receive a lethal injection...