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.

Hackman, 95, and his wife Betsy Arakawa, 63, were found dead in their Santa Fe, New Mexico home on Wednesday (February 26), alongside one of their pet dogs. A cause of death is not known at this time, and, according to TMZ, the Santa Fe police are treating the deaths as “suspicious.”