C493 Find out who the mastermind behind the killer is

Ha Ersen had more or less understood the whole story, and knew that this matter was related to Zhang Wei. After thinking about it briefly, he waved his hand at Mayor Liang, "Mayor Liang, what I need now is not an apology, what I need is for you to punish the culprit severely, find out the culprit's mastermind, find out the real reason for this matter, and give me a satisfactory answer … "Then