One year after media reports that Aso Mining used 300 Allied prisoners of war for forced labor in 1945, Foreign Minister Aso Taro is refusing to confirm that POWs dug coal for his family’s company—and even challenging reporters to produce evidence.

That is not hard to do. Records produced by both Aso Mining and the Japanese government clearly show that POWs toiled at the Aso Yoshikuma mine in Fukuoka Prefecture.