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

Summary

Guan Feng solved a case impressively within 8 hours by using innovative investigative techniques. He identified the suspect's physical characteristics from valve panel traces using lever principles and force analysis. His micro-expression analysis and detailed investigation led to cracking the case quickly. The director was so impressed that he personally took Guan Feng to report to the big boss, who praised Guan Feng's talent and case-handling skills. The third squad celebrated by hosting a dinner with multiple high-ranking officials, marking a significant moment of recognition for their team.

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