- Alabama executes third man this year with controversial nitrogen gas The Guardian US
- Alabama carries out nation’s 3rd nitrogen gas execution on a man for a hitchhiker’s killing CNN
- Carey Dale Grayson put to death in Alabama’s third nitrogen gas execution NBC News
- Carey Dale Grayson executed in Alabama in hiker’s murder; 3rd nitrogen gas execution in US USA TODAY
- Federal appeals court won’t block upcoming nitrogen gas execution in Alabama The Associated Press
