Authorities in New Mexico continue to investigate the cause of death of actor Gene Hackman and his wife​ Betsy Arakawa, but they say it does not appear to be carbon monoxide poisoning.

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,

Unseen for much of the last two decades, Hackman won Oscars for The French Connection (1971) and Clint Eastwood ‘s Unforgiven (1992), and was Oscar-nominated for roles in Bonnie and Clyde (1967), I Never Sang for My Father (1970), and Mississippi Burning (1988). Awards notwithstanding, the respected and admired Hackman had a wide range.