Actor Gene Hackman, 95, and his spouse, Betsy Arakawa, 65, each examined destructive for carbon monoxide, authorities revealed Friday, amid an investigation after they have been mysteriously found dead alongside considered one of their canine at their house in Santa Fe, New Mexico.
Santa Fe County Sheriff’s Workplace Adan Mendoza mentioned he believes that carbon monoxide is dominated out as a potential reason for dying.
Hackman is believed to have died on Feb. 17 — 9 days earlier than he and his spouse have been found useless — Mendoza additionally mentioned Friday, noting that was the date of the final recorded “occasion” on his pacemaker. That’s believed to have been Hackman’s “final day of life,” the sheriff mentioned, noting that it’s nonetheless unclear when Arakawa died.
A trigger and method of dying stay pending, he mentioned. Investigators are nonetheless awaiting full post-mortem outcomes and toxicology studies, he mentioned.
The couple was discovered on Wednesday throughout a welfare examine with no apparent indicators of how they died, based on the Santa Fe County Sheriff’s Workplace.
Nonetheless, their deaths have been “suspicious sufficient in nature to require an intensive search and investigation” resulting from all the “circumstances surrounding” the scene, based on the search warrant affidavit.
There was no exterior trauma to both of them, which led officers to conduct testing for carbon monoxide and toxicology, the sheriff’s workplace mentioned.
Mendoza mentioned it may very well be no less than three months earlier than they’ve the ultimate post-mortem findings.
He mentioned the pathologist from the New Mexico Workplace of the Medical Investigator had expedited some exams and knowledgeable him earlier Friday that the couple had examined destructive for carbon monoxide.
“She shared that info with me as a result of she thought it was related to the case and vital for the general public to know,” Mendoza mentioned.
Actor Gene Hackman arrives together with his spouse, Betsy Arakawa, for the sixtieth Annual Golden Globe Awards in Beverly Hills, Calif., Sunday, Jan. 19, 2003.
Mark J. Terrill/AP
In a Thursday search of the couple’s house, investigators recovered two cellphones, thyroid medicine, blood strain medicine, Tylenol, a 2025 month-to-month planner and well being information, court docket information present.
Hackman was found on the ground within the mud room, based on the search warrant. It appeared he fell out of the blue, and he and his spouse “confirmed apparent indicators of dying,” the doc mentioned.
Arakawa was discovered mendacity on her facet on the ground in a toilet, with an area heater close to her physique, based on the search warrant, and her physique confirmed indicators of decomposition resulting from some mummification to her arms and ft.
On the counter close to Arakawa was an opened prescription bottle, with drugs scattered, based on the search warrant.
A German shepherd was discovered useless about 10 to fifteen ft from Arakawa, the doc mentioned. That canine was in a crate or a kennel, based on Mendoza. Two different canine owned by the couple survived, although officers mentioned each had entry to a doggy door.
The Santa Fe Metropolis Hearth Division discovered no indicators of a potential carbon monoxide leak or poisoning, the doc mentioned. Assessments discovered no carbon monoxide in the home, based on Hearth Chief Brian Moya.
New Mexico Fuel Firm additionally responded, “As of now, there aren’t any indicators or proof indicating there have been any issues related to the pipes in and across the residence,” the doc mentioned.
Two upkeep staff mentioned they hadn’t heard from Hackman and Arakawa in about two weeks, the doc mentioned.

Santa Fe County deputies stay exterior the home belonging to actor Gene Hackman and his spouse Betsy Arakawa have been earlier discovered useless, Thursday, Feb. 27, 2025 in Santa Fe, N.M. (AP Photograph/Roberto E. Rosales)
Roberto E. Rosales/Related Press
A upkeep employee who initially responded to the house discovered the entrance door open however there have been no indicators of pressured entry or that something had been stolen, the doc mentioned.
There was no indication of against the law and “there may very well be a mess of the explanation why the door was open,” the sheriff advised reporters Thursday.
There was “no apparent signal or indication of foul play,” however authorities “haven’t dominated that out but,” the sheriff mentioned.
Investigators are “holding all the things on the desk,” he added.
ABC Information’ Kevin Shalvey, Erica Morris and Emily Shapiro contributed to this report.