VEHICLE WAS OPERATED BELOW SPEED LIMIT, WHEN IT STARTED TO SHIMMY AND SHAKE VIOLENTLY CAUSING OPERATOR TO LOOSE CONTROL. VEHICLE WANTED TO GO TOWARDS THE RIGHT AND WOULD NOT RESPOND TO OPERATOR'S ATTEMPTS TO STEER TOWARDS THE LEFT. VEHICLE ABRUPTLY RESPONDED TOWARDS LEFT, DIPPED DOWN ON THE PASSENGER SIDE FRONT AND ROLLED OVER, HITTING AN EMBANKMENT CAUSING IT TO FLIP UP ON IT'S WHEELS (RIGHT SIDE UP). POLICE AND INSURANCE ADJUSTER NOTICED SHREDDED AND MANGLED TIRES ON PASSENGER SIDE OF VEHICLE, BUT HAD NO EXPLANATION. I NOW REALIZE THE CAUSE OF THE CRASH/ROLL-OVER MUST BE THE FIRESTONE TIRES. I NO LONGER HAVE POSSESION OF THE VEHICLE OR TIRES, AS THE VEHICLE WAS TOTALLED AND TAKEN BY INSURANCE COMPANY.