Jamaal Howard's attorneys cited Christa Pike's failed lethal injection in Tennessee to argue the pentobarbital drug posed risks, but the Supreme Court rejected it.
https://www.foxnews.com/us/texas-executes-jamaal-howard-despite-concerns-over-lethal-injection-drug-used-failed-tennessee-execution
https://www.foxnews.com/us/texas-executes-jamaal-howard-despite-concerns-over-lethal-injection-drug-used-failed-tennessee-execution