C219 Exterminate the Yamamoto Corporation(2)

It would be difficult for Zhang Jian to find out whether Yamamoto Yokzou was the one who caused the car accident years ago. Not to mention that he was in Hokkaido, even if he lived in his house right now, it would be impossible for him to ask about it. However, Yamamoto Yokzou did not have many confidants, so the person who could send someone to do such a thing must be one of his confidants