 Later on, Haney confessed that he had stabbed her and killed her with a knife. Yesterday, attorneys for the Utah Department of Corrections told a judge that they would look to change the drug combination that was recommended by Haney's attorneys, and they're now looking for pentobarditol. Now, the original plan for the cocktail for Haney's execution on August 8th was to use ketamine, fentanyl, and potassium chloride,