- Christa Pike unconscious, on ventilator at Nashville hospital, her lawyers say NBC News
- How Did Christa Pike Survive Two Lethal Injections of Pentobarbital? The New York Times
- Christa Pike’s legal team asks court to preserve evidence after failed execution attempt WTVC
- Many states have backup execution plans, but failures still happen AP News
- Why botched lethal injections are becoming more common CNN

