The Utah Highway Patrol said for an unknown reason, the car rolled, killing the passenger who was not wearing a seat belt. The driver who was wearing a seat belt was transported in critical condition to the hospital by ambulance but passed away before getting there.
The driver has been identified as Spencer Gardner, 28, and the passenger as Andrew Harrie, 30, both from Taylorsville.
UHP will continue to investigate the crash to find out what happened.
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