"Both individuals tested negative for carbon monoxide," Santa Fe Sheriff Adan Mendoza shares at a Friday press conference

Gene Hackman 's pacemaker was last operational on Feb. 17, the Santa Fe County Sheriff said Friday afternoon, suggesting the Oscar-winning actor had been dead for nine days before he and his wife, Betsy Arakawa, were discovered in their New Mexico home.

Unseen for much of the last two decades, Hackman won Oscars for The French Connection (1971) and Clint Eastwood ‘s Unforgiven (1992), and was Oscar-nominated for roles in Bonnie and Clyde (1967), I Never Sang for My Father (1970), and Mississippi Burning (1988). Awards notwithstanding, the respected and admired Hackman had a wide range.

Authorities in New Mexico continue to investigate the cause of death of actor Gene Hackman and his wife​ Betsy Arakawa, but they say it does not appear to be carbon monoxide poisoning.

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 the gas as a cause of Hackman and Arakawa’s death, Sheriff Adan Mendoza said in a press conference on Friday.

Legendary actor Gene Hackman, 95, and wife Betsy Arakawa, 64, and their dog were found dead in their home outside Santa Fe, authorities say.

Two-time Oscar winner Gene Hackman, 95, and his wife Betsy Arakawa, 64, were found dead in their New Mexico home Wednesday, authorities said.

Santa Fe County Sheriff Adan Mendoza shared more details surrounding the death of Gene Hackman and his wife during a press conference on Friday, Feb. 28.