Authorities investigating the deaths of Oscar-winner Gene Hackman and his wife are waiting for the results of the autopsies, and carbon monoxide and toxicology testing to determine how they died.

Actor Gene Hackman, his wife Betsy Arakawa, and their dog were found dead in their Santa Fe home, in a scene that one detective had deemed “suspicious enough in nature to require a thorough search and investigation.

Santa Fe County Sheriff Adan Mendoza shared some insight into the possible timeline of Gene Hackman and his wife Betsy Arakawa’s deaths and the authorities' investigation on the 'Today' show on Friday,