As cops scramble to piece together what caused the tragic deaths of Gene Hackman and his wife, friends of the couple lament how they had become increasingly insular in their final years and even stopped receiving guests.

After Gene Hackman and Betsy Arakawa were found dead in their Santa Fe home Wednesday, a closer look at the design of the house.

P reliminary autopsy results ruled out carbon monoxide in the deaths of Oscar-winner Gene Hackman and his wife, New Mexico authorities said Friday, as investigators continued to pore over evidence found around the couple's partially mummified bodies.