The late actor and his wife were found dead along with one of their dogs, but their two surviving dogs were also found in their Santa Fe property

Veterinarian Robert Gruda told USA Today that Arakawa had taken Zinna for a “major surgery” in January, and had been told to keep the dog confined to a crate while she recover

Gene Hackman and wife Betsy Arakawa’s two surviving dogs had been ‘trying’ to alert first responders of their deaths, per the police chief