With Kenneth Smith’s Execution, Alabama Hopes Nitrogen Method Resolves an Old Problem – The New York Times

1. With Kenneth Smith’s Execution, Alabama Hopes Nitrogen Method Resolves an Old Problem  The New York Times
2. Was Alabama’s Nitrogen Execution ‘Textbook’ or Botched? Sides Are Divided.  The New York Times
3. Alabama executes convicted murderer with new nitrogen method  NBC News
4. Four minutes of convulsions: Kenneth Smith executed with nitrogen gas  Montgomery Advertiser
5. Alabama death row inmate executed with nitrogen gas, nation’s first by a new method in 42 years  Fox News

Source: With Kenneth Smith’s Execution, Alabama Hopes Nitrogen Method Resolves an Old Problem – The New York Times