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

Summary

The passage details an investigation involving Dr. Liu and a mysterious case related to a corpse and a balloon. Police Captain Guan Feng is questioning Dr. Liu about a past incident where a hospital allegedly covered up a situation by paying 200,000 yuan to a victim's family. Forensic expert Chen Xue Wen discovered three different fingerprints on a drawer, with one matching a balloon's surface. The investigation suggests someone might have deliberately given Dr. Liu's daughter a balloon, potentially connected to the ongoing case, with suspicions of intentional manipulation and hidden motives.

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