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.

Gene Hackman's pacemaker revealed his "last event" took place on Feb. 17, nine days before his body was discovered with wife Betsy Arakawa on Wednesday, Santa Fe County Sheriff Adan Mendoza shared at a Friday press conference.

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, said at a press conference on Friday, Feb. 28.