Some researchers say lawyers in Sendai City came to keep their eyes peeled for signatures in the documents, since there were many cases in Tohoku region where rapists received sentence of acquittal owing to the fact that there were no autographs of rape victims in the paper.
一説によれば、当時、東北地方の強姦事件の公判で、被害者の調書に被害者本人の署名がないという理由で無罪になることが立て続けにあり、それ以来、仙台の弁護士は調書の署名を注意してみるようになったともいう。