Police say while they may never be able to determine what exactly happened, Freeh's lack of recollection, circumstances of the crash, and lack of mechanical problems point to him falling asleep behind the wheel.
Trooper have 30 days to complete and submit their report to the Vermont Division of Motor Vehicles.
Freeh, 64, of Wilmington, Del., will not be charged in the crash. He is being treated for his injuries from the crash at Dartmouth Hitchcock Medical Center.
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