Prolonged death of Arizona inmate sparks renewed concerns about capital punishment . Professor 's definition of a bad execution : `` Prolonged suffering '' for 20 minutes or more . Then the United States turned to European manufacturers , but they refused to sell the drug for use in executions . Lethal chemicals clogged tube leading to John Wayne Gacy 's arm . Comment:
Prolonged death of Arizona inmate sparks renewed concerns about capital punishment . Professor 's definition of a bad execution : `` Prolonged suffering '' for 20 minutes or more . Lethal chemicals clogged tube leading to John Wayne Gacy 's arm . Comment: