AFTER UNLOADING ITEMS FROM REAR CARGO AREA, TAILGATE WAS CLOSED, AND THE REAR TAILGATE WINDOW EXPLODED IN MY FACE SPONTANEOUSLY. IT SEEMED AS IF THE RECIPROCATING ARMS PERHAPS DID NOT COLLAPSE COMPLETELY AND WENT THROUGH THE WINDOW. AN INDIVIDUAL WHO ASSISTED IN CLEANING UP THE DEBRIS WAS CUT BY THE GLASS. *TR