An Quan’s words.
It immediately attracted the attention of several people present.
Liu Yang showed an expression of excitement and surprise. He quickly stepped forward, put one hand on An Quan's shoulder, and supported himself on the table with the other hand, and immediately asked excitedly.
"Officer An, have you found it?"
"It's exactly as Team Leader Su said. This member of the drug trafficking organization codenamed Poison is probably a cleaner at Vanke Yuncheng Building?"
"Well, I think I found it." An Quan nodded seriously in response, then pointed to the resume on the screen and continued.
"The suspect, Zhong Jianqiang, is a pharmacy graduate of Suzhou Medical College, class of 2018. He has the ability to extract potassium cyanide from plants, fruits or other chemicals."
"The most important thing is..."
"Due to his personality, Zhong Jianqiang repeatedly failed interviews and was unable to get a job at any major pharmaceutical company or hospital."
"Finally, because my family's financial situation did not allow it, I could only temporarily work as a cleaner in Vanke Yuncheng Building."
"When the potassium chloride poisoning case in the private cinema occurred, Zhong Jianqiang had been working as a cleaner in the building for more than half a year, which was enough to successfully commit the murder."
“At the same time, in the records of personnel transfers.
"A month after the murder, the storm of the murder case gradually subsided. When some people resigned for work reasons, Zhong Jianqiang also took the opportunity to resign and left Vanke Yuncheng Building."
Bai Yu also walked forward at this time, glanced at the personal file on the computer screen, and said with narrowed eyes.
"A graduate of pharmacy?"
"It seems that we can basically identify Zhong Jianqiang as the culprit. A potassium cyanide poisoning case has occurred. After various inferences, the cleaners in the building are the biggest suspects."
"As a result, among the suspicious people, there happened to be a pharmacy graduate who was unsuccessful in his career. It goes without saying how high the probability of him being recruited into a drug trafficking organization and committing murder is."
"And Brother Quan just mentioned that Zhong Jianqiang had worked as a building cleaner for more than half a year before committing the crime, so he was able to find out the blind spots of various surveillance cameras."
"In this case, the building's surveillance was undoubtedly useless to him, so we didn't find any problems during the surveillance."
"And did you notice..."
"Zhong Jianqiang's family was not well off, and the deceased's family was also not well off."
"Based on most of the crime-solving works I've seen, when carrying out premeditated murders, the probability of choosing people with the same social and economic conditions is not low."
"Because in the eyes of those murderers, equal social status means understanding and a better chance of committing the crime."
"Based on Dr. Lan's previous criminal psychology inference."
"Poison will change its personality and state according to the current surrounding environment. So, before successfully killing someone and passing the test, Poison is definitely a coward."
"Then choosing to assassinate someone of the same type as yourself would be a natural subconscious choice."
"Because he knows very well..."
"People like the deceased are as timid and cowardly as he is. Even if they find a needle stuck in a chair, they won't pursue it. They don't want to ruin their relationship with their colleagues."
"And when there is a dinner party, even if I have chronic stomach problems, I will not postpone the meal in order to improve my subsequent work performance."
“And what I think is the most important point.”
"He felt that the deceased had no background or connections, and that even if he was dead, no one would investigate further. In the end, it would just be a short investigation."
The last sentence.
Liu Yang felt indescribably ashamed and embarrassed.
because.
After the case occurred, the Xiangcheng Criminal Investigation Brigade investigated the case for several months, but they were unable to find a breakthrough and were busy with other work.
We can only put it aside temporarily and treat it as an unsolved case and continue to investigate it when we have time.
Overall.
It is true that the investigation only lasted for a while, but the criminal investigation teams in other cities basically operated in the same way.
Zheng Hui also thought of a detail at this time and clapped his hands suddenly.
"Oh, there's one more thing."
"When we were chatting just now, a colleague from the same department as the deceased mentioned that the reason they chose that Hunan restaurant was because..."
"That Hunan restaurant just opened not long ago, you can get a 20% discount just by taking the flyer!"
“And I found that every department of Kingway Software has a small blackboard to write down the work goals of each team and the specific time schedule.”
"But for example, events such as dinners, annual meetings, holidays, etc. will also be written on the blackboard for notification."
"I think it's very likely that Poison, that is, Zhong Jianqiang, must have seen the flyer and the work schedule on the department's blackboard, and learned about the dinner time."
"That's why we were able to so accurately replace the original stomach medicine with the highly toxic potassium cyanide."
"Whether it's the obvious details of the crime or the conclusions we've drawn, it feels like they can be matched with this Zhong Jianqiang."
This moment.
Liu Yang could no longer suppress his excitement and anxiety, and hurriedly continued to ask.
"Officer An."
"Can you find out specifically where this almost certain criminal suspect, Zhong Jianqiang, is currently working?"
"Or rather..."
"Where is he hiding in Gusu City? Can you find out in detail?"
Liu Yang hasn't finished speaking yet.
An Quan's hands began to tap on the keyboard, trying to find the latest traces of the poison through the internal household registration system and the hotel registration system.
But three seconds after logging into the household registration system.
An Quan was stunned for a moment, and he adjusted his glasses in disbelief. He looked at the logout prompt on the screen and frowned in surprise.
"Hmm? Dead."
"According to our police's internal household registration information, Zhong Jianqiang died in a serious car accident two years ago. His body has been claimed by his family and taken to the funeral home for cremation?"
As soon as the words fell.
Liu Yang immediately leaned forward in disbelief, but when he saw the conspicuous logout prompt, he couldn't help but be stunned.
But the next second, he immediately shook his head and said firmly.
"Impossible, this is definitely fake."
"In the past two years, we have found high-purity drugs several times in our jurisdiction, which means that the poison is still in Gusu City."
"It's obvious that they just cut off their original identity when they committed the crime in order to avoid being discovered."
"After all, no matter how you cover up the clues, it's better to just write off the original identity as dead and cut off the police's subsequent investigation!"
An Quan nodded in agreement, adjusted his black-framed glasses out of habit, and spoke slowly and calmly.
"It's fake. It must be fake."
"Erasing the identity used when committing murder and starting a new life with a completely new identity is not difficult for such a large drug trafficking organization to accomplish."
"It can effectively interrupt the clues we are pursuing, which is a good way to hide the crime."
"And I want to say one more thing."
"If nothing unexpected happens, the drug trafficking leader who is good at computer hacking technology should also find out that we have found out the original identity of the poison..."
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