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

Summary

The investigation team, led by Guan Feng, discovers a crucial lead in the case by examining surveillance footage from a nail salon. By identifying a unique sickle-shaped nail pattern and retrieving video evidence, they narrow down the victim's identity. The team visits the surveillance center, retrieves footage from three months ago, and processes images to reveal clearer details. Guan Feng instructs Huang Lillie to copy the files and upload them for facial recognition. At the city bureau, they discuss their findings with Zhao Dong and Director Chen Guo Qiang, who are impressed by their investigative approach and begin the process of comparing data to identify the victim.

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