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edvertisementideas > Genius Detective > Volume N/A - CH 485
Chen Shi said, "Don't be discouraged. Although the case seems to form a closed loop right now. I think there are still other clues to be found."

Lin Dongxue said, "Right. Zhang Xiao's criminal tactics were learned in prison. Would his accomplice also be someone he knew in prison? Prison is like a large-scale criminal skill exchange forum."

Peng Sijue pointed to the water tank where the corpse was found. "If this kind of crime wasn’t taught, can most people really think of this?”

Lin Dongxue said excitedly, "Then I'll find out who Zhang Xiao was acquainted with in prison."

Chen Shi added, "Also, this person is now outside the prison. They may have been released together."

Lin Dongxue and Xu Xiaodong left first while Chen Shi and Peng Sijue stayed there for the experiment. There were other water tanks beside them. Of course, it was impossible to test with cyanide. Peng Sijue used sodium bicarbonate and sulfuric acid which had similar properties.

When opening the water tank, everyone was extra careful, fearing that the murderer had prepared a "surprise" in it. Fortunately, the murderer wasn’t ruthless to that extent. There was nothing else in the water tank except for foul-smelling dirty water.

At the beginning of the test, Peng Sijue asked his assistant to go to the mouth of the water tank to measure the concentration of the released matter every five minutes until about 5:00 PM. By then, the assistant said that the concentration was infinitely close to zero.

Peng Sijue and Chen Shi looked down at their watches together, and then looked at each other. Chen Shi said, "45 minutes... I remember that after the police were alerted, the police came half an hour later and a dozen minutes to understand the situation. Then we went from house to house. There was more than enough time for the murderer to cover the lid and go downstairs. Would it have been possible for them to have met the police? How did they leave the community without getting suspected?”

"Dressing up as a repairman or something?" Peng Sijue asked.

"Just then, Dongxue said..." Mentioning Lin Dongxue, Chen Shi suddenly remembered that they saw Wu Xu downstairs that day. A prisoner who was released from prison. Lin Dongxue saw Wu Xu again last night, near Zhang Xiao's residence.

Wu Xu drove a car to collect waste products, and he could enter and leave various districts at will without suspicion. Could it be?

Thinking of this, Chen Shi hurried to call Lin Dongxue, but she didn't answer. He called Xu Xiaodong. Xu Xiaodong said, "Brother Chen, I’m here at the property manager’s place watching the surveillance footage."

"Isn’t Dongxue with you?"

"She made a phone call to Captain Lin, but then she seemed to suddenly remember something, so she took a car away."

Chen Shi felt his heart drop. She wouldn’t have gone to find Wu Xu herself, right? Sometimes she is really impulsive.

The place where Wu Xu lived was the place where Lin Dongxu

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