This incident startled the court nobles in Kyoto, and while the police and judicial chief (in the ancient administrative system) investigated the incident, 法師隆範 was arrested as a suspect on July 25, 1025; he confessed that he killed the princess as instructed by FUJIWARA no Michimasa.
この事件は京の公家達を震撼させ、検非違使が捜査にあたり、翌万寿2年（1025年）7月25日に容疑者として法師隆範を捕縛、その法師隆範が藤原道雅の命で皇女を殺害したと自白する。