The Maricopa County Office of the Medical Examiner determined ASU student Jack Culolias’s death to be accidental late last week, office spokeswoman Marion Pearson said.
Pearson said Culolias's death was caused by asphyxia, drowning in settings of acute ethanol intoxication and probable hypothermia.
This ruling comes more than three months after the 19-year-old Sigma Alpha Epsilon pledge’s body was found in Tempe Town Lake. Culolias was last seen leaving a fraternity event held at the Cadillac Ranch Bar and Grill in the Tempe Marketplace.
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