TIRE TREAD SEPARATION RESULTING IN VEHICLE FLIPPING OVER . DRIVER WAS KILLED. TWO PASSENGERS WERE INJURED.ONE CAR CRASH. TIRE HAS BEEN EXAMINED BY EN EXPERT WHO HAS CONFIRMED THAT THE TIRE AND TREAD SEPARATED PRE-CRASH.( DOT NUMBER: VDL1M0184 TIRE SIZE: P235/75R15 )