ON 11/13/19 AT 06:18 A 2016 NISSAN ROGUE SWERVED LEFT, THEN RIGHT, STRUCK A UTILITY POLE HEAD ON AT 30 MPH. DRIVER HAD MINOR ABRASIONS. TWO CHILDREN IN BACK BOTH IN FF CAR SEATS SECURED W LOWER ANCHOR TETHER.*DT*DT*DT*DT*DT*DT*DT*DT*JB*DT REAR PASSENGER SIDE: 2Y2M MALE IN COSCO ALPHA OMEGA ELITE (DOM 5/17/2011) W/ MINOR INJURIES FEW ABRASIONS, BRUISES ON HEAD, BIT TONGUE. REAR DRIVERS SIDE: 4Y0M MALE 42 INCHES (38.5LBS DURING LAST EXAM, APPROX 2 MO. PRIOR) IN BRITAX FRONTIER CLICKTIGHT XE WHOSE 5 POINT HARNESS PULLED AND BROKE THROUGH THE PLASTIC FRAMING OF THE SHELL. 4Y/O INITIALLY CRYING & WHIMPERING BUT QUICKLY UNRESPONSIVE WENT INTO CARDIAC ARREST AT SCENE. EVENTUALLY REVIVED, BUT DECLARED BRAIN DEAD. REMOVED FROM LIFE SUPPORT 11/15. AUTOPSY CONCLUDES CHILD DIED OF MULTIPLE BLUNT FORCE INJURIES: ACUTE SUBDURAL & SUBARACHNOID HEMORRHAGE, CEREBRAL SWELLING W/ HERNIATION, HIS, SKULL FXS, PULMONARY CONTUSIONS CAR SEATS REMAINED INSTALLED. EVALUATED IN-VEHICLE 11/14 BY MSP OFFICER WHO IS CPST. NOTED: FRONTIER INSTALLED USING LA STRAP WHICH WAS PROPERLY ATTACHED, ROUTED, & LOCKED TO THE VEHICLE SLAG, TETHER STRAP PROPERLY ROUTED UNDER HER AND ATTACHED TO TA. APPROX. 4 IN. OF SIDE TO SIDE & FORWARD MVMT OF FRONTIER. FROM OFFICERS REPORT: THE 5 POINT HARNESS PULLED AND BROKE THROUGH THE PLASTIC FRAMING OF THE SHELL, CAUSING THE HARNESS AND ADJUSTABLE PORTION OF THE SEAT TO COME FORWARD, WITH THE FRAME STILL BEING ATTACHED TO THE VEHICLE. WHEN THE CHILD WAS FIRST CONTACTED AF