I, King of Criminal Investigation, Solving the Rainy Night Serial Murders from the Beginning.

Summary

The story follows detective Guan Feng investigating a brutal murder of Shu Er Mo, a European employee at Deli Qin Company. By analyzing blood spatter patterns, Guan Feng determines the suspect is a young man around 1.75-1.78 meters tall, weighing approximately 75 kilograms. He interviews the company's CEO, Ao De Man, using his fluent German skills, and seeks to understand the victim's personal relationships. The murder appears to be a personal revenge act, with the killer deliberately avoiding fatal points while ensuring the victim's death, suggesting deep-seated hatred.

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