US investigators are trying to establish how Oscar-winning actor Gene Hackman and his wife, classical pianist Betsy Arakawa, died after the discovery of their bodies at their home in the US state of New Mexico.

Betsy Arakawa was a classical pianist, creative partner and supportive wife who loved watching DVDs with her husband Gene Hackman.

In addition to the couple’s dead dog, which was found in a bathroom closet, two healthy dogs were located on the property. Here's a full breakdown of all of the new information.