My name is Liu Qingshan. Apart from being handsome, I am just a useless person. I live in Tsulu City, but a murder case around me accidentally involved me. A series of murders followed, and the real murderer had been hiding for many years! In the process of reasoning about the case with my good friends, I didn't expect that the murderer turned out to be someone I knew? ! Real acquaintances commit many crimes but are never discovered! Can you guess the real culprit in the serial murder case?
Note: The content is purely fictitious, please do not take it seriously