No state has used nitrogen hypoxia to carry out a death sentence. In 2018, Alabama became the third state — along with Oklahoma and Mississippi — to authorize the use of nitrogen gas to ...

A 54-year-old man convicted of a 1993 revenge killing is to be put to death in Florida on Tuesday in the 26th execution in the United States this year, the most in a decade. Twenty executions have ...

The state of Alabama has executed Gregory Hunt by nitrogen hypoxia for the 1988 murder of Karen Lane. A doctor pronounced Hunt to dead at 6:26 p.m. June 10.

The Alabama attorney general’s office says using nitrogen gas is "painless" and "human," but some doctors and critics are raising doubts.

Roberts will be executed by nitrogen hypoxia for the capital murder of Annetra Jones. Ivey said she does not plan to grant clemency in Roberts' case. Roberts killed Jones on April 22, 1992.

The Alabama attorney general’s office says using nitrogen gas is "painless" and "human," but some doctors and critics are raising doubts.

ATMORE, Ala. — The Alabama Department of Corrections executed Kenneth Smith late yesterday evening by nitrogen hypoxia, the first time in U.S. history that a state has used nitrogen gas to execute a ...