Gene Hackman, the prolific Oscar-winning actor whose studied portraits ranged from reluctant heroes to conniving villains and made him one of the industry’s most respected and honored performers, has been found dead along with his wife and dog at their home.

The Santa Fe County Sheriff's office initially said it did not believe "foul play was a factor," but a later search warrant affidavit ruled their deaths as "suspicious" amid an ongoing investigation.

Actor Gene Hackman and his wife Betsy Arakawa were found dead in their New Mexico home. Here's what we know so far about their cause of death.