Santa Fe County Sheriff Adan Mendoza said, "We've ruled out carbon monoxide" Gene Hackman and his wife Betsy Arakawa both tested negative for carbon monoxide after their deaths, Adan Mendoza, the sheriff of Santa Fe County in New Mexico,

Gene Hackman and his wife Betsy Arakawa tested negative for carbon monoxide in the initial results of the toxicology report, leading officials to rule out carbon monoxide as a cause of Hackman and Arakawa’s death, Sheriff Adan Mendoza said in a press conference on Friday.

"I think the autopsy results, the official results, are going to help us steer us in the right direction," the sheriff said in an interview on Friday.