Carey Dale Grayson was executed in Alabama on November 21, 2024, for the 1994 murder of Vickie DeBlieux. This was Alabama's third nitrogen hypoxia execution this year. Grayson acknowledged his crime but expressed frustrations with the prison system. Governor Kay Ivey defended the execution, emphasizing its justification given the crime's brutality. Concerns about nitrogen hypoxia have intensified as prior applications raised issues over potential suffering, leading to debates about its legality and human rights ramifications.