As the mystery continues to swirl around the death of Oscar winner Gene Hackman, his wife Betsy Arakawa and their dog, here's what we know.

Authorities say there were no signs of foul play, but the circumstances are “suspicious enough” to warrant a full investigation into the cause of death.

One of the 20th century's greatest actors, Hackman's career spanned more than 40 years and a variety of roles, from tough-guy parts to comedic turns, playing heroes, villains and one iconic sports coach in ways that captivated audiences.