- Alabama executes a man with nitrogen gas, the first time the new method has been usedThe Associated Press
- Alabama inmate Kenneth Smith executed with nitrogen gas, marking the emergence of a wholly new method of capital punishmentCNN
- Alabama Convict Becomes First Known Person Executed by Nitrogen Hypoxia | Jan. 25, 2024 | News 19 atWHNT News 19
- Mengele-like logic underpins Alabama’s plan to gas a man to deathMontgomery Advertiser