March 21 (UPI) -- Former FBI director and special counsel investigating Russian interference in the 2016 election Robert S. Mueller III died Friday at age 81.
His cause of death was not released but he had been suffering from Parkinson's Disease. Mueller was scheduled to testify in September about the case against sex offender Jeffrey Epstein but was excused because of the progression of the disease.
"Bob was diagnosed with Parkinson's disease in the summer of 2021," his family told the New York Times in a statement at the time.
Mueller's two-year investigation determined in 2019 that Russia had interfered in the 2016 election of President Donald Trump. But said in the report: "While this report does not conclude that the President committed a crime, it also does not exonerate him."
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