My younger brother and i where driving to our home town ajo az. just south west of tuscon.I was doing the driving and than all of a sudden a bright light was behind use and i thought it was a car or something like a motor cycle than the light was right behind the car and than it was in front of use as we where driving and than it shoot through the vehicle between my brother and i and than back in front of use again and than it shoot out of sight at first the light was white when it was behind and then it turn orange and than bright white when it left.The whole time i was driving i was speeding up to try and get away..