Overview
- Gas was reported to start flowing at 5:57 p.m. CT, witnesses observed heavy breathing for roughly 15 to 20 minutes, and Boyd was pronounced dead at 6:33 p.m. at Holman prison.
- The Supreme Court declined to halt the execution, with Justices Sonia Sotomayor, Elena Kagan and Ketanji Brown Jackson dissenting and characterizing nitrogen hypoxia as torturous.
- Spiritual adviser Rev. Jeff Hood said Boyd appeared conscious and fighting for up to 19 minutes, while Corrections Commissioner John Hamm said the movements were involuntary.
- Boyd used his final words to assert innocence in the 1993 killing of Gregory Huguley; he was convicted in 1995 after a 10–2 jury recommendation for death.
- Alabama has employed nitrogen hypoxia multiple times since 2024 after lethal-injection problems, and officials do not disclose exact gas-flow timing during executions.