Abolitionists have had more luck, at least temporarily, by arguing that lethal injection, the form of execution most widely adopted, is excruciatingly painful.

至少在目前，在另一方面废除死刑者运气更好。他们争辩说毒剂注射这种最广泛使用的行刑方式是极度痛苦的。

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Execution in Colorado is by lethal injection and hasn't been carried out since 1997, when Gary Davis was executed for raping and murdering a woman in 1986.

WSJ: Death Penalty Sought in Colorado Shooting Trial

Execution in Colorado is by lethal injection and hasn't been carried out since 1997 on Gary Davis, who had been convicted of raping and murdering a woman in 1986.

WSJ: Holmes to Face Death Penalty in Colorado Shooting

In February, a judge ruled that convicted murderer Michael Morales could be put to death by lethal injection if a doctor monitored the execution.

NPR: Brain Waves Monitored During N.C. Lethal Injection