As Huang Chih-hui, an assistant researcher at Academia Sinica's Institute of Ethnology points out, Japanese military authorities, aiming to avoid prosecution after the war, destroyed records of the bitterly-fought campaigns that took place in Asia and the Pacific from 1942 onwards, during which numerous atrocities occurred, along with cannibalism and other inhuman acts.
在日本方面，中央研究院民族研究所助理研究員黃智慧指出，一九四二年以後日本在南洋戰場上的征戰極其慘烈，期間發生了許多殘酷的殺戮及如吃人肉等不人道的行為，為逃避戰後審判，南洋戰場上的資料有意為日本軍方湮滅。