- Kenneth Eugene Smith: US inmate faces first nitrogen execution after losing last-minute appealsBBC.com
- Everything you need to know about Alabama’s nitrogen hypoxia execution of Kenneth Eugene SmithWVTM 13 News
- US Supreme Court declines to halt execution of Alabama inmate set to be the first to die by nitrogen gasCNN
- Alabama set to preform executionFOX10 News
- Alabama set to execute inmate with nitrogen gas, a never before used methodThe Hill