http://www.washingtonpost.com/news/p...hal-injection/

“Because the Court declined to require that states follow scientific guidelines in determining their lethal injection procedures, states will be allowed to conduct additional human experimentation when they carry out executions by lethal injection,” Dale Baich, one of the attorneys for the prisoners, said in a statement.[Read the court’s opinion on lethal injection drug]
Midazolam was used in the execution of convicted murdered Clayton Lockett, who kicked and grimaced during his execution last year before dying 43 minutes after it began. A state investigation blamed the bungled procedure on poor placement of a needle during the injection. The same drug was also used in the execution of an Arizona inmate who took nearly two hours to die last year.
Seriously, why are they using these exotic ineffective drugs, when there are so many proven alternatives available? FFS, veterinary euthanasia is a science that has been refined for over a hundred years.