Before Tennessee's prisons chief stepped down in the aftermath of a horrific failed execution, he oversaw botched executions in Arizona. A review of protocols there spelled out serious issues.
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Chiara Eisner
Chiara Eisner is an investigative correspondent on NPR's National Desk. Her reporting for NPR has led to congressional action and regulatory changes, and has been honored with multiple national awards.
Michel Martin
Michel Martin is a host of Morning Edition.