Joining the Police Force, Solving a Major Dismemberment Case from the Beginning.

Summary

The text discusses the psychological evolution of a serial killer, Guo Gen Liang, who transforms from a passionate murderer to a calculated predator. Han Xu explains that serial killers often develop a signature or collect trophies as they continue killing. In Guo Gen Liang's case, he began by killing Dong Jia Yan passionately and then evolved to methodically murdering others and collecting victims' belongings as trophies. The investigators are struggling to solve the case, with a potential breakthrough involving the discovery of Dong Jia Yan's ex-boyfriend, Wang Yuan, who might provide new insights into the investigation.

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