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Kristin Cavallari's Brother's Death Ruled Accidental

Michael Cavallari died from hypothermia

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Sadie Gennis

The death of Kristin Cavallari's brother, Michael, has been ruled accidental. According to a statement from the Grand County Sheriff's Office on Tuesday, the cause of death was hypothermia from exposure to cold environmental temperatures.

The 30-year-old was reported missing on Nov. 27, 2015, after abandoning his car in Utah desert. He was found dead nearly two weeks later on Dec. 10, three miles away from his car.

Details surrounding Michael's death and why he abandoned his car are unknown. Toxicology results have yet to be released.