Timeline of the deaths of Gene Hackman and his wife: What we know

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The mystery surrounding the death of Gene Hackman and his wife, Betsy Arakawa, has riveted the nation for much of the past 10 days - and even after authorities released the cause of deaths on Friday, puzzling questions still remain. 

Hackman and his wife, according to the New Mexico Office of the Medical Investigator, died a week apart and from entirely different causes. No foul play is suspected in the deaths.

Authorities have released a timeline of what they know about the deaths of the couple and one of their pet dogs: 

• Feb. 9: Arakawa picks up the couple's dog Zinna from a veterinary hospital
• Feb. 11, 3:30 p.m.: Arakawa is seen at Sprouts Farmers Market
• Feb. 11, just after 4 p.m: Arakawa visits a CVS Pharmacy
• Feb. 11, 5 p.m.: Arakawa is spotted at a pet store.
• Feb. 11, 5:15 p.m.: Arakawa's car is seen on surveillance entering her subdivision and a remote clicker assigned to her is used to enter the community.
• Feb. 11, later in the day: Arakawa dies of a rare disease called hantavirus pulmonary syndrome. This is the last date anyone had any communication from her.
• Feb. 18: Hackman likely dies on this day, based on on information from his pacemaker. The actor died of heart disease and complications caused by Alzheimer's disease. 

• Feb. 26, 1:45 p.m.: Police find Hackman and Arakawa dead in their home. Hackman was in a mudroom near his cane and appears to have fallen. Arakawa is found in an open bathroom near a space heater, according to a search warrant.
• Feb. 27: The Santa Fe Medical Investigator’s office performs autopsies of Hackman and Arakawa.  
• March 7: The Santa Fe police and Medical Investigators office releases information about the causes of Arakawa and Hackman’s deaths.
• March 7: Officials said they are awaiting results from a necropsy to determine the cause of the pet dog's death.

SOURCE: Santa Fe County Sheriff Adan Mendoza and Santa Fe County Chief Medical Investigator Heather Jarrell