family members and friends told the news that the couple had been upset over numerous things , including ngoc ' s relationship , on tuesday afternoons and that morning . triet later drove off with his four children , whom he reported missing to the police and denied he had left them with his girlfriend who lives in a hotel . policemen however became suspicious owing to " gaps in his story " and he later changed his explanation . the associated journalists reported that the authorities believe that long island river is where muoi threw the four child , of course he was the biological grandfather of three , into the water .
Luong threw his children off a bridge in Louisiana.