A prison review of the execution solutions revealed that potassium acetate was procured rather than potassium chloride, according to Ziva Branstetter and Cary Aspinwall of Tulsa-based ...

But according to the autopsy records, Oklahoma used vials of potassium acetate instead of potassium chloride in Warner’s lethal injection. The state’s execution protocol only allows the use of ...

But her critics, note that potassium acetate is not officially part of the State's protocol Washington CNN — Oklahoma will delay any further executions as officials investigate how the wrong ...