Critics Say Execution Drug May Hide Suffering.

Reports on controversy surrounding the actual drugs used for lethal injections. Claims the apparent tranquility of an inmate undergoing the death sentence may be the result of the medication induced paralysis; Tennessee ban of Pavulon or pancuronium bromide for the euthanization of pets; Lawsuit against Pavulon's use in human death cases brought by Abu-Abdur'Rahman; Suggestions of alternative medications; How a state chooses the drugs it will use.