- Alabama Set to Carry Out First U.S. Execution by Nitrogen The New York Times
- Alabama set to perform execution using nitrogen hypoxia FOX10 News
- The execution timeline of Kenneth Eugene Smith WVTM 13 News
- Letters to the Editor: Could Alabama export its new execution method? Los Angeles Times
- Mengele-Like Logic Underpins Alabama’s Plan to Gas a Man to Death JURIST
Source: Alabama Set to Carry Out First U.S. Execution by Nitrogen – The New York Times


