Potential problems with the implementation of Az's death penalty

Arizona Loose With Its Rules in Executions, Records Show ("That improvisation is not unusual for Arizona, where corrections officials and medical staff members routinely deviate from the state's written rules for conducting executions, state records and court filings show. Sometimes they improvise even while a convict is strapped to a table in the execution chamber and waiting for the drugs coursing through his veins to take effect.")