New Mexico officials said Friday that actor Gene Hackman, 95, and his wife, Betsy Arakawa, 65, tested negative for carbon monoxide.

P reliminary autopsy results ruled out carbon monoxide in the deaths of Oscar-winner Gene Hackman and his wife, New Mexico authorities said Friday, as investigators continued to pore over evidence found around the couple's partially mummified bodies.

Autopsies found no external trauma to either individual and carbon monoxide and toxicology tests are pending, according to authorities in Santa Fe, New Mexico.

New Mexico authorities say preliminary autopsy results didn't determine how Oscar-winner Gene Hackman and his wife died, but did rule out carbon monoxide.

Preliminary autopsy results ruled out carbon monoxide in the deaths of Oscar-winner Gene Hackman and his wife, New Mexico authorities said Friday, as investigators continued to pore over evidence

The New Mexico Gas Company's "extensive investigation for gas leaks and carbon monoxide at Gene Hackman's home" ruled out possible causes of death.

The deaths of Gene Hackman and his wife remain a mystery as authorities confirm there "were no significant findings" of carbon monoxide and gas leaks at their New Mexico home.

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 after they were found dead at their New Mexico home on Feb. 26, per police.