The Oklahoman, December 4, 2010 by Ty Alper
http://newsok.com/oklahomas-lethal-injection-process-not-fit-for-animals/article/3520375
The Humane Society of the United States also condemns the use of paralyzing drugs in animal euthanasia. The foreword to its training manual states that it is the “moral and ethical duty” of its members to end the practice…. Yet a paralytic drug is used to execute people in Oklahoma, and all but two other death penalty states.