The Mystery of R4
5.0
乔榛
The story takes place on a summer day in the early 1970s, when a researcher at the Jiangling Medical and Chemical Institute died unexpectedly. After receiving the report, the public security personnel quickly mobilized and quickly determined through on-site investigation that the deceased had a quarrel with another assistant, Chen Xiaoxiao, and then committed suicide by taking poison. Although judged as self
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Content Introduction
The story takes place on a summer day in the early 1970s, when a researcher at the Jiangling Medical and Chemical Institute died unexpectedly. After receiving the report, the public security personnel quickly mobilized and quickly determined through on-site investigation that the deceased had a quarrel with another assistant, Chen Xiaoxiao, and then committed suicide by taking poison. Although judged as self