A large number of police and forensic doctors came in late at night, which suddenly made Yangtianhu Hotel, which was usually not very busy at night, lively.
Not only the staff, but also many customers dining at Yangtian Lake Hotel began to gather towards the river.
So much so that Ding Liang and Huang Zunlong had to set up another cordon to keep the melon-eating crowd out.
"Forensic Doctor Liu, this is the corpse." Gu Chen stepped forward and introduced the situation to Forensic Doctor Liu.
Forensic doctor Liu nodded slightly and said to forensic assistant Gao Chuanfeng: "Xiao Gao, take out the tools."
"Alas." Gao Chuanfeng heard this and quickly placed a small suitcase on the ground. After opening the lock, various precision instruments were neatly embedded in the foam pad.
Forensic doctor Liu put on gloves and began to squat down to examine the corpse on the ground.
Gu Chen turned on the strong flashlight to provide forensic doctor Liu with lighting assistance.
After a while, Forensic Doctor Liu frowned, stood up and said involuntarily: "This body is severely mutilated. It has been soaked in the lake for a long time, and many parts have rotted."
"That's right." Gu Chen nodded slightly and told what he knew: "If I guess correctly, this person should be Liu Biao, the employee of Yangtian Lake Hotel who disappeared a few days ago."
"Currently we have only recovered the body from the lake, but we don't know exactly whether Liu Biao drowned or was killed and thrown into the lake."
"Gu Chen, you are giving us a hard time." Forensic assistant Gao Chuanfeng looked at his master's sad face and knew that such a corpse examination was very difficult.
Usually, if it is a complete corpse, Gao Chuanfeng himself can go out and test the wounds of the deceased.
But now the body is mutilated and has been soaked in the lake water for many days. Many of the wounds were bitten by the aquatic animals in the lake.
The so-called wound marks have long been unable to be confirmed, and this is where the difficulty lies.
Forensic doctor Liu glanced at Gao Chuanfeng and reminded: "The job responsibility of a forensic doctor is to restore the truth of the deceased. They are all simple operations, so what's the challenge? How can you make progress without challenges?"
"Uh, master, I... I just said it casually." Knowing that Forensic Doctor Liu was teaching him a lesson, Gao Chuanfeng immediately shut his mouth.
In the end, Lu Weiwei suggested: "Forensic Doctor Liu, I think we should do a diatom test as soon as possible. You see that the body is already like this. It may be very possible that he was killed and then thrown into Yangtian Lake."
"But now there is no trace of his head, and the body is gradually decomposing. If we want to know the answer, we can only conduct diatom testing."
Lu Weiwei almost restored the rhetoric that Gu Chen introduced to everyone just now, but it shocked Forensic Doctor Liu next to her.
Forensic Doctor Liu stared at Lu Weiwei in astonishment, and said in astonishment: "Lu Weiwei, that's good, you actually know about diatom testing?"
Lu Weiwei smiled and said: "Okay, isn't this what's in your forensic manual?"
Forensic assistant Gao Chuanfeng looked at the two of them and was stunned. He couldn't help but ask Forensic Doctor Liu: "Master, what are these diatoms? Is this aquatic weed? And what kind of diatom test is this? Why haven't I been exposed to it before?"
"So you have to study hard." Before Gao Chuanfeng could finish speaking, Lu Weiwei said directly and seamlessly:
"Diatom is actually a general term for single-celled plants with chromatophores. Traces of diatoms can be seen almost everywhere, from small puddles formed by rainwater to as large as the ocean, which accounts for 71% of the earth's surface.
And there are more than 16,000 species of diatoms worldwide."
Lu Weiwei still followed what Zhao Chen said just now and copied it exactly.
But it frightened Forensic Liu and Gao Chuanfeng into a daze...
Gao Chuanfeng turned to look at Forensic Doctor Liu and asked weakly: "Master...Master, is this really the case? Is this Lu Weiwei talking nonsense? How could she know this?"
"What nonsense? What they said is absolutely correct." Forensic Doctor Liu said, "You should learn more from others. Lu Weiwei is not a forensic medicine major. You, a forensic medicine major, don't even know that."
Is it a shame to test for diatoms?”
"puff!"
Seeing Gao Chuanfeng being scolded by Forensic Doctor Liu, Ding Liang and Huang Zunlong, who had previously pretended to be calm, couldn't help but burst into laughter.
Lu Weiwei glared and immediately told the two of them to shut up.
Then he smiled at Forensic Doctor Liu and said, "Forensic Doctor Liu, I have worked hard. Junior Brother Gu usually asks me to study more."
"I think the reason why Junior Brother Gu is so powerful is the result of continuous learning. If you accumulate more knowledge, won't you be able to apply what you have learned easily?"
Glancing at Gao Chuanfeng, Lu Weiwei said jokingly: "Right? Gao Forensic Doctor?"
"Yes, yes." Gao Chuanfeng was a little unhappy, feeling that Lu Weiwei, an amateur forensic doctor, was riding on her.
But because forensic doctor Liu was at the scene, he could only pretend to be shameless and asked: "Then tell me, why do we need diatom testing? What is the significance of diatom testing?"
Upon hearing this, Lu Weiwei sent out points again, pretending to think about it, then walked around twice in front of Gao Chuanfeng, and suddenly said:
"By the way, I remembered again. If these diatoms are present in the corpse and are the same as those in the water, then they can tell us whether the deceased entered the water while alive or after death.
."
When Forensic Doctor Liu nodded slightly and seemed puzzled, Lu Weiwei quickly added: "With this test, they can tell us whether the corpse died of drowning. This is very important for corpse detection, especially with such mutilations."
Incomplete body."
"Ahem." Seeing that Lu Weiwei was a bit over the top, Officer Wang quickly coughed twice as a reminder.
Lu Weiwei understood and pretended to be distressed. What the scholar Gu Chen had just said to her, she couldn't help but complain:
"Actually, this is also a learning process, so I store this knowledge in my memory bank to apply what I have learned."
"That's right." Forensic Doctor Liu really believed it.
To be able to explain these things in such a professional manner, I am afraid that it cannot be understood by ordinary study. This must require a lot of effort.
Otherwise, why hasn't his assistant Gao Chuanfeng been exposed to it? Because it has only been a few years since this latest diatom detection technology and equipment came out.
Compared with some previous diatom detection technologies, the accuracy is also greatly improved.
Forensic Doctor Liu really admires Lu Weiwei, and feels that Lu Weiwei is really impressed after seeing her for three days.
So forensic doctor Liu asked Lu Weiwei with a testing mentality: "Lu Weiwei, tell me how we should test it."
"We need to take a femur from a corpse for testing." Lu Weiwei said seriously.
As soon as he finished speaking, Forensic Doctor Liu was completely excited.
He quickly patted Lu Weiwei on the shoulder: "Weiwei, I really can't tell. Your Furong Branch Criminal Investigation Team 3 is really a hidden dragon and a crouching tiger."
"Even you know so much about diatom testing. It seems that I really underestimated you, Lu Weiwei, before."
"Hehe." Lu Weiwei felt happy when she heard such praise.
I thought that if it weren't for Gu Chen's explanation to me just now, I might not know anything about diatom testing at all.
However, Lu Weiwei has her own unique advantage, that is, she has to ask Gu Chen about everything and absorb knowledge and nutrition from Gu Chen to supplement herself.
Fortunately, I just applied what I learned, and it is still possible to bluff an old-timer like Forensic Doctor Liu.
Seeing that Forensic Doctor Liu seemed to agree that diatom testing was needed, Gu Chen quickly asked: "Forensic Doctor Liu, can the technical laboratory of our municipal bureau perform diatom testing? Or does it need to be sent to Yangcheng for testing?"
"Gu Chen, do you also know about diatom testing in Yangcheng?" Forensic Doctor Liu looked at Gu Chen and asked with a smile.
Gu Chen nodded: "I know a little bit, because there are professional equipment there, and they have been studying diatom detection for many years."
"Yes, the most famous company for diatom detection is the Yangcheng Criminal Investigation Institute. This topic has always been the research direction of their forensic team."
Seeing everyone's serious expressions, Forensic Doctor Liu added: "But it doesn't matter. We also have advanced testing equipment here, which can fully meet all the conditions for diatom testing."
"That's great." Gu Chen was overjoyed when he heard that the Technical Section of the Municipal Bureau could also conduct diatom testing.
In this way, the detection time can be greatly shortened.
When Officer Wang saw that the situation was clear, he quickly urged: "Then let's not wait any longer and quickly send the remains of the body to the Technical Section of the Municipal Bureau. If possible, the best result will be obtained tonight."
"Tonight?" Hearing Officer Wang's words, forensic assistant Gao Chuanfeng nodded a little and said angrily:
"My master has been working all day. He had finished his work in the evening and was going to go home to rest. But as soon as he received a call from you, Mr. Wang, he rushed over without stopping."
"It's so urgent. I'm afraid that Master can't bear it. How about tomorrow?"
"How can this be done? Every second counts in case investigation." Seeing that assistant Gao Chuanfeng wanted to buy some rest time for himself, Forensic Doctor Liu directly refuted it.
"Also, I have a very strong body. What's wrong with staying up all night to work? The nights I stayed up back then were several times the amount of work you do now."
Seeing everyone's expectant looks, Forensic Doctor Liu gritted his teeth and couldn't help but said: "Today's young people just can't bear hardships, alas."
"How about...just follow what Gao Chuanfeng said, Forensic Doctor Liu, we will test again tomorrow, and you have a good rest tonight." Gu Chen also stepped down for Forensic Doctor Liu.
But Forensic Doctor Liu waved his hand and refused directly: "No, we will do the test tonight. Everyone is ready to pack up the body and bring it back to the Technical Department of the Municipal Bureau."
"No problem." Gu Chen nodded slightly, then looked at his colleagues and said, "Everyone, come here and help me."
Following Forensic Doctor Liu's car, everyone was preparing to return to the Technical Section of the Municipal Bureau.
On the way back, Ding Liang drove, while Gu Chen sat in the back seat, listening to reports from other groups in the temporary action group.
Gu Chen: [Closing the team, we found Liu Biao’s body and are now going back to the Municipal Bureau’s Technical Section. What’s the situation over there?]
Not long after, a reply from Officer Zhou from another team appeared in the dialog box.
Zhou Xingxing: [Although we didn’t find any suspicious equipment, we caught a few men and women engaging in illegal activities and having improper relationships. We didn’t get nothing this time.]
As soon as the message from Officer Zhou Xingxing of this team was sent, Officer Liao from the other team also sent a report.
Liao Zhenhua: [We didn’t find those who made sniffing equipment here, but we caught a group of people gathering together. The amount of money involved was quite large, so we didn’t get nothing. 】
Gu Chen: [Okay, I’ll leave these things to you to deal with. Thank you for your hard work. (Holding fists)]
Zhou Xingxing:【(Holding fists)】
Liao Zhenhua:【(Holding fists)】
Lu Weiwei: [(cute face)]
Lu Weiwei: [Thank you for your hard work, I will ask Lao Wang to treat everyone to dinner later.]
Officer Wang:【(horrified)】
Officer Wang: [Why? Why is it that Gu Chen leads everyone to participate in the operation, and I, Old Wang, are responsible for treating guests to dinner? You can’t just pick one sheep to shear, right? You are almost going to kill Lu Weiwei. (Hammerhead)]
Zhou Xingxing: [(laughing)]
Liao Zhenhua: [(laughing)]
Huang Zunlong: [Senior Sister Lu is so cute. Senior Sister Lu really shined today and was praised by Forensic Doctor Liu in public. ]
Lu Weiwei:【(Shy)】
Lu Weiwei: [Where, where, please ask Junior Brother Gu Hongfu, follow Junior Brother Gu and you will win, hehe.]
Officer Wang: [(Hammerhead)]
Zhou Xingxing: [(Picture of two policemen laughing)]
…
…
Following Forensic Doctor Liu, everyone came to the Technical Section of the Municipal Bureau.
Soon, after disinfection, everyone followed Forensic Doctor Liu and Gao Chuanfeng to the laboratory.
Ding Liang and Huang Zunlong were sitting in the lounge waiting patiently.
This chapter is not over yet, please click on the next page to continue reading! As observers, Gu Chen, Lu Weiwei and Officer Wang came to the laboratory together after putting on protective equipment.
Forensic doctor Liu has superb skills. After extracting the two femurs, he began the next step.
Lu Weiwei couldn't stand the blood, so she could only turn her head and look at him.
Gu Chen and Officer Wang, on the other hand, followed the operation steps throughout the process.
Forensic assistant Gao Chuanfeng on the side also took the opportunity to ask for advice: "Master, do you think this small diatom can really become the gold standard for diagnosing drowning?"
"Does that need to be said?" Forensic Doctor Liu glanced at Gao Chuanfeng, then looked at Gu Chen and Officer Wang behind him, and then said involuntarily:
"In fact, diatoms are very useful in diagnosing deaths caused by drowning, because they are small in size and widely present in various waters, which makes them often inhaled and swallowed by the deceased along with the water flow during drowning."
"Subsequently, they will circulate through the blood and accumulate in different organs such as the lungs, brain and bone marrow."
Seeing that Gao Chuanfeng just nodded silently, Gu Chen had already started to take out a small notebook and record it.
Forensic Doctor Liu felt that his apprentice had lost another game, so he sighed and asked Gao Chuanfeng: "Then do you know what the shell of this diatom is made of?"
"Uh!" Gao Chuanfeng was stunned and turned to look at Gu Chen.
Gu Chen blurted out directly: "The shell of diatoms is composed of silica. Because of this, this composition is the same as sand."
"Yeah." After hearing what Gu Chen said, Forensic Doctor Liu nodded slightly and continued to ask: "Gu Chen, tell me what you know."
"Yes." Seeing that Forensic Doctor Liu agreed, Gu Chen, who was initially afraid of disturbing Forensic Doctor Liu's examination, replied directly:
"Diatom will not dissolve in strong acid, so as a detector, you can always use strong acid to digest the tissue, and then extract the diatom from the digestion solution."
"This can be observed through a microscope, and the examiner can also compare it with the diatoms in the water body where the body was found."
"If no diatoms are found in the body, it means the victim did not drown. If the diatoms found in the organs are significantly different from the diatoms in the body of water, that means... the victim was in his body."
Drowned to death everywhere.”
After a pause, seeing that Dr. Liu had been listening carefully while waiting for the test, Gu Chen continued to add:
"If this is the case, it is obvious that a criminal suspect moved his body to a second location to create the illusion of an accident."
"Well said." Seeing that Gu Chen performed well and almost understood this principle thoroughly, Forensic Doctor Liu couldn't help but admired:
"Gu Chen, your knowledge is indeed very broad. I have to praise you for this."
"Thank you, forensic doctor Liu." Gu Chen was still very humble.
Forensic Doctor Liu waved his hand: "If the forensic doctors in the technical department of our city bureau are as diligent as you, I think it won't be a big problem if we train a few top forensic doctors."
"But the problem is..." Glancing at Gao Chuanfeng beside him, Forensic Doctor Liu shook his head and sighed: "But the problem is that there are many excellent forensic doctors, but there are very few top-notch ones."
"High forensic doctors can be considered top-notch, right?" Seeing forensic doctor Liu praising him for a long time, he was not satisfied with his assistant Gao Chuanfeng.
In order to balance Gao Chuanfeng's psychological gap, Gu Chen still deliberately mentioned Gao Chuanfeng.
But forensic doctor Liu didn't think so. He hummed and said with a smile: "Gao Chuanfeng is quite good, but he is not top-notch. The kind of top-notch forensic doctor I am talking about must at least be able to rely on his own talent on the basis of excellence.
Improve it a little more.”
Glancing at Gu Chen, Forensic Doctor Liu sighed deliberately, shook his head and sighed: "It would be great if I had a disciple like you, Gu Chen, by my side."
"Haha, Forensic Doctor Liu, I think you have given up on this idea." Officer Wang had already guessed what Forensic Doctor Liu meant, and couldn't help but said jokingly: "Even if Gu Chen is willing to come to your place, can our Director Zhao agree?
With his bad temper, he has to fight with you."
"Haha." Lu Weiwei stood aside like a crowd and was happy to see Forensic Doctor Liu eager to take Gu Chen under his command.
"Okay, okay, I just want to think about it. Can't you think about it? My old Liu is not as lucky as Zhao Guozhi in this life. Hi."
After sighing, Forensic Doctor Liu continued with the test at hand, and whispered softly: "I think back then, this new technology was very difficult to tackle. The success rate of the old diatom detection was not high. If it weren't for the experts from our colleagues in Yangcheng,
As a team, we have to overcome difficulties. How can we never be so relaxed?"
Glancing at Gu Chen behind him, Forensic Doctor Liu also expressed his true feelings: "I would also like to form a team to conduct detailed training on the detection methods of our counterparts in Yangcheng."
"And this team must also be composed of key members of the technical department, or the police force. I define this team as...an interdisciplinary team."
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