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

Summary

Guan Feng and Zheng Yuan Dong investigate a suspicious faucet incident linked to a timeline before 9 PM last night. After confirming the faucet's handle was intact until then, they consider the possibility of foul play. They plan to extract fingerprints and review surveillance footage to identify suspicious individuals. Guan Feng emphasizes the need to think like the suspect while analyzing video evidence of two intoxicated individuals, Wu Tian and Liu Yang, entering the bathroom together. When only Wu Tian exits, it suggests he likely isn't involved. They continue to scrutinize the footage for other potential suspects who might have set a trap.

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