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In page Bình An/Tây Vinh massacre:

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Documents and testimonies on the massacre was internally investigated but not publicly disclosed[citation needed] until the news of the massacre and its outcome was uncovered by a Korean graduate student Ku Su-Jeong and reported in the Korean media. The Asian Human Rights Commission had reported on the massacre and sent a letter to then President of South Korea Kim Dae-jung for justice on the matter, with Kim Dae-jung expressing regret for war-time atrocities on a state visit to Vietnam.[5]