At seven o'clock in the evening, after the autopsy was completed and the body was sent to the freezer for preservation, she had dinner with her assistant.
Earlier, the family members of Mi Yufei and the other three victims had arrived one after another, and after the meal, Chen Lixiao's parents also arrived at the substation and identified the bodies.
The families of Chen Lixiao and Chen Jiawen finally agreed to the autopsy, but Zhou Qianxin thought that there was no need for an autopsy after another autopsy, and the cause of death of the other two was also very obvious, that is, cyanide poisoning.
Chen Lixiao's family accepted this statement, but Chen Jiawen's father disagreed and insisted on an autopsy, making sure to make sure that the cause of his child's death was clearly understood.
There are many family members who refuse to be autopsied, and it is very rare to insist on asking for an autopsy, and Zhou Qianxin was also a little surprised, but she still met his request.
However, including Chen Jiawen's family, they did not stay in the substation for too long, and after a short while, they went to the school to ask for an explanation.
By the time the autopsy was completed and the results were issued, it was close to 10 p.m.
The case team did not return to the substation, apparently, they decided to stay in school during this time, which was also convenient for the investigation of the case.
During this period, Cheng Wei came back for a trip, obviously to test the fixed clues, but after staying for more than an hour, he left as soon as the test results came out.
So, Zhou Qianxin didn't want to stay in the branch office longer, so she went to school directly with the inspection report.
When I arrived at the Ziyang University Town Campus of Xin'an University, it was already past 10:20.
After calling Yuan Youchong, he learned that they were having a meeting in the small conference room vacated by the school, and they were probably sorting out the results of today's investigation.
After pulling a student to ask her where to go, she quickly came to the conference room and knocked lightly.
Yuan Youchong waved his hand, let her in, and find a place to sit by herself.
She took a look and found that Yu Chen was not there, so she knew that he was probably still dealing with the school leaders and parents, and couldn't help but mourn for him for three seconds in her heart.
This kind of thing is the most troublesome.
The school leaders obviously want to suppress the matter, and the parents all want an explanation, and may even take the opportunity to ask for a huge amount of compensation.
One party wants to keep things down as much as possible and try not to affect the school; The other party wants to make a big deal and put pressure on the school to ask for an explanation for their children and even for compensation.
How difficult it is to mediate, who knows.
In particular, individual parents are not reasonable, but as a policeman, he has to be persuaded by good words, once he speaks badly, he may be grabbed by the parents on the platform, and even criticized out of context.
The school leaders are more reasonable, but their relationship is complicated, even if Yu Chen doesn't eat this set, but there are always people above him who eat this set, if they want to suppress the case with all their hearts, it will undoubtedly bring huge obstacles to the investigation of the case.
Therefore, even if he was reluctant, Yu Chen had no choice but to stay, while adjusting the conflict between the school leaders and the victims' families, to appease their emotions and try not to affect the solving of the case.
Just thinking about it, she suddenly found that no one in the conference room spoke, and she couldn't help but feel a little strange, so she raised her head and looked at Yuan Youchong with an inquiring gaze.
"I'll have a meeting when I come over."
Yuan Youchong obviously understood what she meant, and said with a smile: "He is really not suitable for the current job, and there has been no progress after a day of mediation, and even Xu Ju, who has been paying attention to this case, can't stand it anymore, so he simply came forward to talk to the school and the victim's family in person." ” "He's almost there, and when the time comes, he will be able to get out of the country.
It's not like we've been following the case or following part of it, and he doesn't know anything about it, so this meeting is basically for him, so wait for him to come. ” "Oh."
Zhou Qianxin nodded.
She knew that she would definitely have to speak later, so she quietly looked at the autopsy report and organized her language at the same time.
After a while, Yu Chen finally walked into the conference room, he walked directly to Yuan Youchong, looked around, nodded to everyone, then sat down, grabbed the mineral water on the table and filled half a bottle, and then asked: "How is the situation?"
Yuan Youchong coughed dryly: "Xiao Zhou will talk about the autopsy conclusion first."
"Ah" She didn't expect that she would be the first to speak, but it didn't matter, when she stood up and said: "I think, you don't want to listen to the report that is too detailed and professional, you just want to know the result, then I'll just say the conclusion." ” "The four victims all died between 8 and 9 o'clock last night, and the time of death was relatively close, and the interval between the first and last deceased would not exceed half an hour.
What's more, the time difference between them losing consciousness and falling into a coma is so short that they don't have time to save themselves and call for help. ” "The cause of death is quite clear, poisoning with a low-concentration sodium cyanide aqueous solution.
Sodium cyanide was found in the drinking water left in their cups and in the bottled water in their dormitories.
That is, this is a case of cyanide poisoning. ” "Poisoning case" Yu Chen frowned: "This matter is not small, if the perpetrator poisons a large amount, it will cause a large-scale poisoning incident." ” "That's right."
Yuan Youchong nodded: "Moreover, we have inquired, the bottled drinking water used in this campus is all lake sweet mountain spring water, which is monopolized by this brand." ” "Therefore, out of prudence, we systematically sampled the bottled drinking water from 100 dormitories and sent it to the school laboratory for testing by the Prussian Blue method.
"So, it's artificially poisoned alone," Yu Chen asked.
"Yes, the direction of the perpetrator is very clear, that is, he poisoned the 431 dormitory, and the person who wants to kill is Chen Lixiao and the other four."
Yuan Youchong said, looking at Cheng Wei: "Old Cheng, you can talk about the trace findings." ” Cheng Wei smiled bitterly: "The worst discovery is that we didn't find anything at all.
The plane footprints found in dormitory 431 were very complicated, including the four victims, their classmates, and the counselor Song Rong. ” Among them, Song Rong's shoe prints are only one set of two rows, one in and one out, there is no problem, and the rest of the footprints have no obvious rules, it is estimated that they are just classmates visiting each other.
As for the fingerprints, most of them belong to the four victims, and a few belong to their classmates. ” "The fingerprints on the water dispenser are covered in layers, and there are fewer fingerprints on a single layer, and they are all from the four victims.
There are also a lot of fingerprints on the bucket, which is very complicated, but they all belong to the four victims, and no palm prints or fingerprints of the fifth person were found. ” "Isn't there a water delivery man's fingerprint on it?"
Yu Chen frowned.
"Nope."
Cheng Wei shook his head.
Yuan Youchong answered: "I inquired, Chen Lixiao from dormitory 431 is a part-time water delivery worker, and he is responsible for the distribution of bottled water in 17 dormitory buildings.
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