Alabama prisoner set for execution by nitrogen gas in historic case

Carey Dale Grayson, convicted of a 1994 murder, is set to be executed by nitrogen gas on Thursday in Alabama. He will be the third person to face this method, which the state began using this year. Grayson, 50, was part of a group that killed hitchhiker Vickie Deblieux. He is the only one facing execution, as the others were under 18 at the time of the crime. His final appeals have raised concerns about the new execution method. His attorneys argue that the method may cause suffering, citing issues with previous executions. They requested a stay from the U.S. Supreme Court and sought permission for Grayson to receive a sedative before the execution. State lawyers maintain the method has been effective in past cases.