Nurse.com, June 2, by Barbara Kirchheimer
http://include.nurse.com/apps/pbcs.dll/article?AID=/20080602/NATIONAL02/80603006/-1/frontpage
“Nobody disputes that if the three-drug formula works to perfection, inmates should be completely anesthetized and deeply unconscious at the time they’re paralyzed and killed by the potassium chloride,” says Ty Alper…. “But by paralyzing the inmate, it’s hard for anyone except someone who’s highly trained to know about anesthetic depth, to know whether the inmate is truly unconscious or not, so we don’t know how many lethal injection executions have been terribly botched.”