On the other hand, there is also a viewpoint that states 'between 1862 to 1864 when assassinations were rampant, there were many assassinations for which even today criminals are not identified (only that they were Sonno joi ha is known from notes describing their crime).'
一方で、「暗殺が横行した文久2年～元治元年の間には未だに誰の手によるものか判らない（斬奸状により、尊王攘夷派であることだけ判っているものもある）暗殺事件も多く、そうした中にも以蔵が関わった事件があるのではないか」との見方もある。