The God of Mysteries Who Chases Murderers in the City

I once solved a college poisoning case. I solved old serial murder cases. I went around looking for archives and learned empirical reasoning from the archives. Uncover the motive of the incident and discover the murderer by peeling off numerous doubts. I was born for mysteries. My name is Xiao Ran, 28 years old, consultant of Jia City Criminal Investigation Brigade. Let's see how I move towards becoming a National Criminal Investigation Consultant step by step. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.