Alabama calls nitrogen execution method painless and humane, but critics are raising doubts - ABC News
- Alabama calls nitrogen execution method painless and humane, but critics are raising doubts ABC News
- Alabama Is Trying Nitrogen Hypoxia, an Untested Execution Method The New York Times
- Death penalty: Prisoner set to be first person in US executed using nitrogen gas | BBC News BBC News
- Europe should boycott Alabama over nitrogen execution - peace group Reuters
- 'Distressing, gruesome': Journalist shares conversation with Kenneth Smith days before execution WVTM 13 News