# how does nitrogen gas execution work

Alabama man shook violently on gurney during first-ever nitrogen gas execution » Kenneth Eugene Smith appeared to shake and convulse before being pronounced dead Thursday at an Alabama prison after breathing the gas through a face mask to cause oxygen deprivation. Nbcdfw.com

Alabama carries out first known execution with nitrogen gas in the US. Now the attorney general expects more states to follow | CNN » Kenneth Smith was put to death by nitrogen hypoxia, marking the nation’s first known execution using that method. Now an attorney general vows to help other states Cnn.com

Nitrogen Execution Method Touted as More 'Humane,' but Evidence Is Lacking » A legal battle over nitrogen hypoxia, a new potential method of execution, raises ethical questions Scientificamerican.com

Alabama Has Executed A Man With Nitrogen Gas Despite Jury’s Life Verdict | ACLU » U.N. experts say the method constitutes torture, violating international human rights treaties ratified by the U.S. Aclu.org

What’s nitrogen hypoxia? Alabama carries out Kenneth Smith’s US execution » Smith became first inmate in history to be executed with nitrogen gas. Aljazeera.com

Nitrogen gas execution: how it works and why it’s controversial » Kenneth Smith, who was executed by Alabama, appeared to convulse during procedure, as critics have likened it to human experimentation Theguardian.com

Why are states like Alabama, which is planning to use nitrogen gas, exploring new execution methods? » An Alabama execution this week would be the first in the nation to use nitrogen gas. It follows a long history of problems with lethal injection since Texas first used the method in 1982. Apnews.com

First U.S. nitrogen-gas execution may constitute torture - UN rights office » The U.N. human rights office called on the state of Alabama to halt its first planned execution of a prisoner by nitrogen gas asphyxiation this month, saying it could violate US commitments under international law. Reuters.com

Alabama's upcoming gas execution could harm witnesses and violate religious liberty » Alabama plans to execute a prisoner using nitrogen gas. NPR obtained a Department of Corrections document showing the method may pose risks to others in the room and impede religious liberties. Npr.org