WHILE DRIVING AT HIGHWAY SPEED CONSUMER THOUGHT THAT RIGHT REAR TIRE WAS FLAT ,BUT IT DID NOT GO FLAT. TREAD BEGAN TO SEPARATE. TIRE WAS REPLACED WITH SPARE, AND AFTER 5 MINUTES OF DRIVING AT 70 MPH , LEFT REAR TIRE TREAD HAD SEPARATED, AND DRIVER LOST CONTROL OF VEHICLE ,SPUN AROUND, AND ROLLED OVER,CAUSING 1 FATALITY AND 4 SERIOUSLY INJURED. TIRE AND TREAD WERE SENT TO HR BAUMGARDNER TIRE CONSULTANTS ,JAY HALPERN, TO 3330 LAKEWIND WAY ,ALPHARETTA, GA 30005 TELE#18008827006 BY ATTORNEY. ( FIRESTONE ATX RADIAL TIRE DOT VDHL1PM196). *AK *MJS