Fourth Death

Wealthy businessman Xiang Bei was assassinated in his home Police officer Li Ran is the main investigator of this case Who is the murderer? Four prisoners, four deaths, four memories I said, the yellow sky is above and the thick earth is below. I, Li Ran, and Xiang Bei will become brothers today. We do not wish to be born in the same year and the same day, but we wish to die in the same year and the same day. He said, forget me, don't remember, and there is no need to look back, as long as I remember, that's enough. He also said, Li Ran, I will love you forever. Rich businessman attacks policeman Intention: