More details -- including an altered timeline -- are emerging as officials continue to investigate the tragic deaths of actor Gene Hackman and his wife, Betsy Arakawa, who were both found dead in their Santa Fe, New Mexico, home in February. Here's the timeline of the case: "Last Days of Gene Hackman" airs Tuesday, March 18, at 10 p.m. ET on ABC.

Betsy Arakawa, who died from hantavirus, called a medical concierge service two weeks before she and Gene Hackman were found dead​.