VEHICLE WAS TRAVELING ON A SIDE STREET AND WAS STRUCK BY ANOTHER VEHICLE ON THE LEFT SIDE JUST IN FRONT OF THE REAR WHEEL CAUSING IT TO SPIN AND ROLL. AS YOU CAN TELL BY THE PICTURES ATTACHED THE SIDE CURTAIN AIRBAGS DID NOT DEPLOY EITHER AT THE TIME OF INITIAL IMPACT FROM THE OTHER CAR HITTING THE SIDE OF OUR VEHICLE, NOR DID IT DEPLOY WHEN THE VEHICLE ROLLED ON IT'S SIDE AND ROOF. OUR CONCERN IS WHY?