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

Summary

Guan Feng, a renowned footprint identification expert, heads to Su City Bureau with Old Huang, who is enthusiastic about their collaboration. At the bureau, Wang Yang shares Guan Feng's identification results, revealing the suspect's physical traits and suggesting he wasn't carrying cash during the crime. The team begins investigating, and Li Chuang finds a suspect matching the description, Lu Qiang. Wang Yang emphasizes Guan Feng's expertise in both footprint identification and microexpression analysis, raising the team's anticipation. As Guan Feng approaches, the team prepares to welcome him, eager to demonstrate respect and efficiency in solving the case.

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