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

Summary

Summary: In an investigation involving two foreign nationals' deaths, police officers Zhao Dong and Guan Feng interrogate Vice Dean Chen Yuan Chang about his frequent phone contact with Victor. Chen explains he was learning English through Victor's language salon, meeting regularly with him and some students. Despite initial tension during questioning, Chen provides details about Victor's potential conflicts and suggests the murders might have reasons beyond simple interpersonal disputes. The investigation continues with multiple leads being pursued simultaneously by different team members.

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