CNN  —  Authorities on Tuesday released a lengthy investigation report detailing some of the last emails, phone calls and internet searches by Gene Hackman’s wife in the days before her death, indicating that she was scouring for information on flu-like symptoms and breathing techniques, the Associated Press reported. Betsy Arakawa died in February of hantavirus pulmonary syndrome – a rare, rodent-borne disease that can lead to a range of symptoms that include flu-like illness, headaches,