Writing in the Wall Street Journal in October 2006, Melanie Kirkpatrick first raised shocking claims about North Korean border guards’ massacre of a large group of people trying to flee from North Korea to China across the Yalu River. Her report was based on documents purporting to come from official Chinese documents, including a local police report from Badaogou Precinct, near Baishan City: “At 7 a.m. on Oct. 3, 2003,” Case Report No. 055 begins, “a report was received from...