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Published at 29th of March 2022 08:19:54 PM


Chapter 2221

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2:49 p.m.

Criminal technology center.

Wan Ziliang took Angel Sheng through the bright corridor and entered the forensic anatomy room. Formalin and the bloody smell after autopsy were mixed together, like the smell of hell.

Xu Jiajun is beside the console, pointing to the extracted gastric contents, pericardial blood and urine in the kidney, and assigning a task to Xiaoqiu: "take these to the trace material evidence room and make trace material evidence with Lu Yin's father's oral mucosa."

"OK." Xiaoqiu took the extract and turned outside.

Wan Ziliang, who had been waiting for a long time, came over and pointed to Angel Sheng and smiled at Xu Jiajun: "director Xu, this is angel Sheng, the person in charge of Rui residence. Come and identify the body."

Xu Jiajun understood, took Angel Sheng to the dissecting table, noticed his uneasiness, and comforted softly: "death is the ultimate ownership of life, but in a different way. Don't be nervous. Take a closer look to see if he is Lu Yin you know."

Angelson's body is tight, with a sad face and a busy nod. Since he entered the anatomy room, he has been looking down at the ground without squinting. He is afraid that if he looks at the corpse, he will be found by bad luck.

Xu Jiajun suddenly opened the white cloth on the body, as if he had opened the door of hell. The smell of blood soared in an instant, as if it were a sea of blood hell. Although the fully dissected body had been stitched and restored, it was still like a pile of mud, but it had nothing to do with the destruction. It had been supported by cotton and other fillings, showing a general outline.

Angela subconsciously covered her mouth and nose, screwed her facial features together, tried to force herself to look up, slowly moved to the anatomical table and looked at the face of the corpse.

Suddenly, it was difficult for him to curb his nausea. His eyes were instantly moist. He squatted on the ground and vomited out with a "wow". He got out of control and even vomited out the overnight meal.

Wan Ziliang couldn't bear to see the vomit, so he hurriedly didn't turn his head and saw a pool of cleaned up wet marks on the other side of the anatomical table. Needless to think, it must have been left by Xiao Qian when he identified the body.

When Angie was unable to vomit, Wan Ziliang took out a bag of paper towels and handed them to Angie and asked, "can you confirm it's Lu Yin?"

Angela shook her head hard, avoided the paper towel and wiped her mouth. Her voice trembled and said, "I, I didn't see it just now, I'll see it again..."

Angisheng reluctantly stood up and forced herself to fix her eyes on the corpse's face. She thought of Lu Yin, whom she saw at dusk yesterday. The two faces gradually coincided with each other.

Wan Ziliang asked, "are you sure it's Lu Yin?"

Angie was nauseous again, retching and nodding.

3:20 p.m.

Voiceprint identification room.

The voiceprint identification room is located on the 4th floor of the criminal technology center. The interior is simple and bright. There is only one large-scale intelligent voiceprint acquisition system, which integrates microphone clusters and integrates the functions of acquisition, multi label warehousing, classified storage and real-time retrieval.

Professor Zhao Chengwen, who is over 60 years old, wearing high myopia glasses, stands in front of the computer, staring at the voiceprint on the screen, identifying and firmly.

At the door, Hui Junhao walked back and forth, fidgeting. From time to time, he looked at Zhao Chengwen. Seeing that Zhao Chengwen was motionless, he looked at the computer with no distractions. He scratched his scalp anxiously and didn't dare to disturb him.

For Hui Junhao, waiting is too painful.

4:00 p.m. sharp.

DNA lab.

The DNA laboratory is divided into reagent preparation room, sample preparation room, sequencing room, amplification room, product analysis room and extraction room, which runs through a corridor.

Xu Jiajun took the latest DNA report of the deceased, went out of the sequencing room, transferred to the product analysis room, opened the DNA comparison library and entered the content of the DNA report.

"Pa!"

Xu Jiajun presses the Enter key, and the subtitles on the computer screen scroll quickly in an instant, such as whether there is a match.

Second floor of criminal technology center.

Trace evidence room.

Unlike the DNA laboratory, the micro physical evidence room is a large comprehensive laboratory, which is divided into more than ten districts. Each section is equipped with precision instruments to facilitate different types of evidence collection.

Raman spectrum analyzer is mainly used to study the determination and confirmation of material composition, so as to obtain a Raman spectrum.

Wang Tao put the extracted smell into the Raman spectrum analyzer, then started the instrument, and waited patiently. However, from its frequent check of the watch and confirmation that it was already 4:20, it can be seen that his heart was not calm.

The instrument buzzed and vibrated, and soon made a Raman spectrum of odor components on the computer. Wang Tao quickly operated the computer and analyzed the spectrum in an orderly manner to confirm the name of components.

At 5 pm.

Case analysis conference room.

Jin Jianmin sits in the main position. On the left of the head is Zhao Chengwen, a professor in the voiceprint identification room and the action technology exploration group. On the right are Xu Jiajun, a forensic doctor, and Wang Tao. Everyone looks very tired after running around all day.

Jin Jianmin looked around at the crowd and opened the door to the mountain: "who will come first?"

The crowd looked at Xu Jiajun. According to the practice, he first reported the autopsy report, and only heard him clear his throat: "cough, let me come first. Although we didn't find the DNA of the deceased in the DNA comparison library, through the identification of the assistant of the deceased and the person in charge of Rui residence, it was preliminarily determined that the deceased was Lu Yin, the new supervisor of Kunde group, 32 years old."

Jin Jianmin nodded and asked, "what else do you find?"

"After dissection, although there were many abrasions and blood stasis on the body, they were all caused by nature and no one was the characteristic of injury. The bones, viscera and skull of the whole body were in line with the characteristics of high falling death. The results of diatom test and pulmonary water showed that the deceased should have entered the water before his death." Xu Jiajun said, "interestingly, we found this on the dead."

Xu Jiajun operated the computer and released the tattoo on Lu Yin's genitals. He continued: "the position of the tattoo is very special. On the genitals, I don't know whether it is a special evil interest or has a special meaning."

After Hu qiufei identified it, he accidentally said, "Lu Yin is actually gay!"

Jin Jianmin cast an inquiring look. After a slight adjustment, she explained: "when I was a graduate student in psychology, my tutor said that the pink inverted triangle is the symbol of gay men, the black inverted triangle is the symbol of lesbian women, and Lu Yin's tattoo on the penis proves that he may be 0."

"So it is." Xu Jiajun suddenly realized that other people also looked strange. Unexpectedly, Lu Yin still had this identity under the bright surface.

Jin Jianmin skipped the detail and asked, "when was the time of death?"

Xu Jiajun replied: "by extracting the contents of the deceased's stomach, the last meal time was yesterday, that is, around 2 p.m. on July 25. The food was steak and vegetables. According to the digestion, it should have died around 11:25 last night."

Ji Yiping interjected: "according to the alarm telephone number of the deceased and the time when the live broadcast ended, the deceased should still be in Rui residence around 11:05, that is, he fell dead 20 minutes later."

Xu Jiajun went on to say, "after I took the pericardial blood and urine test in the kidney of the deceased, I also found that he had taken drugs before his death."

Wang Tao operated the computer and released a picture of the sleeping pill bottle: "this is the sleeping pill we found in the bedroom of Rui residence, which meets the test of director Xu."

Wan Ziliang answered, "Lu Yin's assistant Xiao Qian also admitted that Lu Yin doesn't sleep well and often takes sleeping pills. He prepared this bottle of sleeping pills for Lu Yin."

"No! No! No! He's not taking sleeping pills." Xu Jiajun threw a heavy bomb, "I only detected the metabolic components of methamphetamine, tramadol and morphine base."

Chen Qiang's eyes coagulated: "is he taking drugs?"

"That's right!" Xu Jiajun said firmly, "by comparing the known drugs, the metabolic components of the deceased are basically consistent with the new drug K2 introduced into China from Japan this year, commonly known as' Zhaohun pill '. The drug has strong hallucinogenic sequelae, and when I dissected the brain of the deceased, I found that his brain was honeycomb, which is a characteristic of old drug addiction, proving that he has a long history of drug abuse."

Jin Jianmin knocked on the table and asked, "what's your judgment?"

Xu Jiajun pondered for a moment, organized the language and said: "based on the above, I think Lu Yin had a strong illusion after taking K2. In a state of excitement, he thought someone was chasing him, fled all the way to the tidal platform, and finally fell unexpectedly. There is no possibility of the murderer."

The conclusion is reasonable and everyone agrees.

Jin Jianmin turned to Wang Tao again: "deputy director Wang, what do you think?"

Wang Tao sat up straight and said with a solemn smile, "my conclusion is contrary to Director Xu. There must be a murderer at the scene."

Jin Jianmin thought: "what is your basis?"

Wang Tao said concisely: "first of all, I measured Lu Yin's escape distance, a total of 2863.3 meters, close to 3 kilometers, which is not in line with common sense."

Xu Jiajun objected: "where is it unreasonable?"

Chen Qiang helped explain: "the fast running speed of normal adults takes about 15 minutes to finish 3km, but for ordinary people, it is difficult to keep running for more than 5 minutes, but Lu Yin kept running for 20 minutes."

Wang Tao nodded: "so we can assume that if a murderer chases him and threatens his life, he can complete this feat driven by the instinct of survival."

Jin Jianmin continued to ask, "what else?"

Wang Tao released a photo, which included rainbow slippers, safety signs and other evidence, and finally fixed on the mirror frame of the floor mirror: "next is the frame, and extracted a special smell, identified by trace evidence, belonging to the aromatic substances of alcohols and esters. Popular is the sauce flavor baijiu. It has been proved that at least three days, other people have entered the bedroom."

Chen Qiang questioned: "the South Park Management Committee said that tramps often stay near the Rui residence. Will it be left by tramps?"

Wan Ziliang echoed: "angel Sheng, the person in charge of Rui residence, also said this, so yesterday morning, he specially called cleaning aunt to clean."

Wang Tao shook his head firmly: "you have missed a key point. Maotai Baijiu is a medium and high-end Baijiu, which is commonly found in Moutai and Wuliangye. Tramps have no consumption power, so I highly suspect that this is a murderer's carelessness."

"Is there anything else?" Jin Jianmin asked

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