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

Summary

Summary of the police investigation involving a unique nail art design: Guan Feng and his team discover a distinctive scythe-patterned nail design on a victim's hand. They consult Chen Qing Xin, who recommends her nail designer COCO. The team hopes to trace potential leads through the unusual nail art, exploring connections to possible nail salons or organizations. COCO suggests identifying a specific salon might be challenging without more distinctive markers, but the investigation continues to pursue this intriguing detail as a potential clue in solving the case.

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