Who is the murderer of the brothel script?

Who is the murderer in the script of "Brothel": Abstract of Du Xiaoyuan's Short Stories-In the resplendent Forbidden City and the extremely lively place here, when you walk in the street houses in Chang 'an, many people will always cast their eyes on you.

Because you are wearing a silver coat and a silver crown, you don't look like an ordinary person. You are really not an ordinary person. You are the owner of the Du family in Chang 'an, and you were born in the natural environment of the house here since you were a child. You are very ambitious. When I grew up, I worked in the DPRK and was the governor of the county government.

You have mastered the Forbidden City and arrested thousands of prisoners. In recent years, your fame has been growing. People call you "the first catcher in Chang 'an", and your name is "Du Xiaoyuan", 25th, 2022.

Du family used to be the place where you grew up. Dad has severely criticized you since childhood. All dirty things won't let you do this. Thinking about it will make you a modest gentleman. You didn't make your father feel cold at all. In Chang 'an, many Wulin hooligans were frightened when they heard their names.