The Oscar-winning actor and his wife, Betsy Arakawa, were found dead inside their Santa Fe, New Mexico, home on Wednesday.

This continued investigation seems focused on a specific thread.

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. Here is what we know so far about the death of a Hollywood legend known for such films as The French Connection and The Conversation.