DT*: THE CONTACT STATED AFTER LATCHING THE 2004 GRACO SNUGRIDE MODEL #8649MTR REAR FACING INFANT SEAT BASE TO THE SHOPPING CART, THE LATCH WAS NOT SECURE WHICH RESULTED IN THE INFANT SEAT OVERTURNING. THE CHILD LANDED ON THE CONCRETE AND ENDURED MINOR CRASHES. THIS INCIDENT OCCURRED ON TWO SEPARATE OCCASION.