family members and contacts told network news that the couple had been fighting over several things , including luong ' s sister , on sunday afternoon and monday morning . luong later drove off with his five siblings , although he reported missing to the fbi and claimed he had left them with his girlfriend he lives in a casino . investigators also became wary due to " errors in his story " and he later retracted his story . the local press say that the parents believes that dauphin island river is where luong threw the four children , of latter he was the biological father of three , into the water .
Luong threw his children off a bridge in Louisiana.