Police say a personal assistant called 911 after finding the body of Michael Gilman on Tuesday afternoon inside the luxury house.
According to police, the 68-year-old Gilman was only person who lived at the home near 54th Street and Lincoln Drive.
An autopsy report released Friday by the Maricopa County Medical Examiner's Office says Gilman died from "sharp force injuries" consistent with a stabbing.
Police say the case remains under investigation. There's no immediate word on any possible suspects.
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