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

Summary

In the investigation of a mysterious morgue incident, Captain Guan Feng discovers subtle audio evidence suggesting an unauthorized entry. By using bone conduction technology, he detects a faint door opening sound that doesn't correspond with elevator surveillance. The team amplifies the 0.03-decibel sound, confirming Guan's suspicion of a potential insider involvement. The investigation focuses on understanding how someone could silently enter the morgue, with implications of possible assistance from someone familiar with the hospital's layout.

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