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Kristin Cavallari's Brother Michael's Official Cause Of Death Revealed

| Filed under: R.I.P.Sad SadKristin Cavallari

Michael Cavallari

The case is closed on Michael Cavallari's death, but questions will forever linger about what exactly happened in the time surrounding his car crash in southern Utah.

Grand County Sheriff officials have ruled Kristin Cavallari's brother's death accidental as the autopsy revealed frigid temperatures led to hypothermia. It is unclear why his body was found so far from the vehicle.

Related: Kristin Speaks About Her Brother's Death

The 30-year-old was discovered on December 10 at the bottom of a "steep and rocky" hillside about two weeks after his abandoned car was found with the engine running and air bag deployed.

Grand County Sheriff Steven White told ABC News on Tuesday that authorities are still waiting on toxicology reports to determine if Michael was under the influence of any drugs or alcohol.

The Cavallari's were informed of the findings but Kristin declined to comment via her publicist. Understandably so.

Our hearts go out to Michael's family and friends as they continue to grieve.

[Image via Grand County Sheriff's Office.]

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