TL*THE CONTACT OWNS A 2004 CHEVROLET IMPALA. THE VEHICLE HAS A 2003 COSCO CHILD SAFETY SEAT, MODEL NUMBER 22-100 FSM (NA). THE SEAT WAS MANUFACTURED ON MARCH 24, 2005. WHILE THE CONTACT WAS DRIVING, HER DAUGHTER WAS SEATED FORWARD FACING IN THE REAR DRIVER SIDE SEAT AND BEGAN CRYING. THE CONTACT PULLED OVER AND INSPECTED THE SEAT. SHE NOTICED THAT THE LATCH CONNECTOR SOMEHOW BECAME UNLATCHED, WENT THROUGH THE SEAT, AND PUNCTURED A HOLE SO DEEP INTO THE CHILD'S RIGHT THIGH THAT SHE HAD TO GET 15 STITCHES. SHE CALLED THE MANUFACTURER AND IS WAITING FOR A RESPONSE. THE CONTACT HAS PICTURES AFTER THE FAILURE OCCURRED. SHE STILL HAS POSSESSION OF THE CHILD SAFETY SEAT.