In May, the expedition to contain Masakado in the east returned to Kyoto, and in June, an order was issued to track down and kill FUJIWARA no Fumimoto, who had been identified as the person who attacked FUJIWARA no Sanetaka.
5月に将門討伐に向かった東征軍が帰京すると、6月に藤原文元を藤原子高襲撃犯と断定して追討令が出された。