The state lawyers wrote that Alabama's "nitrogenhypoxia protocol has been successfully used twice, and both times it resulted in a death within a matter of minutes." Kenny Smith was the first ...
In that case, Alabama agreed not to use lethal injection to put Miller to death and any future effort to execute him will use nitrogenhypoxia. Numerous other states that use lethal injection ...
No state other than Alabama has used nitrogenhypoxia to carry out a death sentence. In 2018, Alabama became the third state — along with Oklahoma and Mississippi — to authorize the use of ...