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

Summary

Guan Feng investigates a scene, identifying four-wheeled handcart tracks and footprints. He deduces the suspect used a vehicle to jump through a window, finding a fingerprint on the wall. After calling his squadron leader, Zhao Dong, he discusses potential inside job implications. Technical expert Old Yang assists in fingerprint extraction, while Qi Xia discovers a suspicious pushcart nearby. Guan Feng examines the cart, confirming it matches the crime scene's footprint. Using smart glasses, he isolates a specific footprint, linking it to a work safety shoe, further suggesting an insider's involvement in the incident.

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