And no, it's not Oklahoma

6 countries that still use lethal injection to kill prisoners - Salon.com

"The only country where a death sentence still means public beheading, activists are fighting for lethal injection because this time it actually might be more humane. ….

"‘This solution seems practical, especially in light of shortages in official swordsmen or their belated arrival to execution yards in some incidents,’ said the Saudi committee in charge of the issue."