A FORD EXCURSION HAULING A FOUR STAR BRAND HORSE TRAILER SWITCHED LANES ON THE INTERSTATE AND STARTED TO SWAY AND THE REESE TRAILER HITCH THAT WAS USED TO HOOK THE TRAILER TO THE EXCURSION CRACKED CAUSING THE TRAILER TO BREAK AWAY FROM THE VEHICLE. THIS EVENT CAUSED THE EXCURSION TO CROSS THE MEDIAN INTO ONCOMING TRAFFIC. THE EXCURSION HIT A CHEVROLET CAVALIER HEAD-ON KILLING THE TWO OCCUPANTS IN THE CAVALIER. *TR