WHILE TRAVELING S/B AT APPROX 70 MPH ON I5 IN ORANGE COUNTY CA, RR TIRE OF 97 FORD EXPEDITION SUFFERED 360 DEGREE TREAD SEPARATION. LOSS OF CONTROL, ROLL. FRONT PASSENGER DIED. DRIVER LOST THREE FINGERS. DEFINITY DAKOTA H/T, DOT UPCU PA7 1508 (COOPER, FINDLEY PLANT). DOA 9/5/13. *TR