Carey Dale Grayson, 50, was executed by nitrogen hypoxia Thursday evening at the Holman Correctional Facility in Atmore, Alabama. Grayson, who fought the restraints, was the third person to be executed by nitrogen hypoxia in the state — and also the country.

An Alabama prisoner convicted of the 1994 murder of a female hitchhiker is slated to become the third person executed by nitrogen gas.