I PLACED THIS VEHICLE'S AUTOMATIC TRANSMISSION SHIFTER, WITH THE ENGINE RUNNING INTO THE PARK POSITION ON 05/20/17 AT APPROX. 12:15 AM. I SAT IN THE VEHICLE FOR A FEW MINUTES. I EXITED DRIVERS SIDE, CLOSED THAT DOOR AFTER PLACING PATROL ITEMS ONTO THE FRONT SEAT. I MOVED TO PASSENGER FRONT DOOR, OPENED IT AND AND RETRIEVED A PATROL BAG AND ITEMS FROM THAT SEAT. AFTER CLOSING PASSENGER DOOR AND WALKING AWAY FROM VEHICLE THE SHIFTER "MOVED" DOWN INTO REVERSE. WAS IT IN "FALSE PARK"? THEN THE JEEP TO BACK UP OFF CONCRETE PARKING PAD AND INTO A SHALLOW LAGOON ON FRIPP ISLAND, ST. HELENA, SC. THE FRIPP ISLAND PROPERTY OWNERS ASSOCIATION AUTO INSURANCE COMPANY, TRAVELERS, TOTALLED OUT THE VEHICLE STATING IT WAS NO LONGER SAFE TO DRIVE?