This case frightened court nobles in Kyoto and was investigated by kebiishi (a police and judicial chief); on August 27, 1025, Takanori, a bonze, was arrested, who confessed that he had murdered the princess as he had been ordered by 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。