Most of Rivière's fellow officers naturally assumed that he had been either shot or stabbed to death on the battlefield there and then, but many Vietnamese believed that he had been taken alive by the Black Flags.
리비에르의 동료 장교 대부분이 자연스럽게 그가 총격을 당했거나, 칼에 찔려 죽었다고 생각했지만, 많은 베트남인들은 그가 흑기군에 의해 산 채로 포획되었다고 믿었다.