Regarding Sanetomo's assassination, the suspicion that Yoshitoki had masterminded it and the view that those hostile to the Hojo clan, such as Yoshimura MIURA, might have had a motive to assassinate Sanetomo makes the truth of the event unclear.
実朝の暗殺は義時が裏で操ったと言う疑惑もあるが、また北条氏に対抗する三浦氏の義村などにも動機はあり、真相は明らかではない。