When Dong Rui saw the application for assistance in the investigation issued by the Dongguan Public Security Department, he immediately thought of Sun Lei. He learned some information on the Internet and knew that something had happened to Chu Li's company. He called Sun Lei's office phone, but no one answered, which is not surprising at all, after the task force was established, it was normal to find no one. He didn't call his cell phone, and he wouldn't bother him with the investigation until there was no concrete evidence that could help. However, when he carefully looked at all the information and the internal photos, especially the white Iveco, he immediately checked the file of last year's organ transportation case, and found nothing. He gave the information of the four drivers he had handled at that time to his colleagues in the Hubei Traffic Police Force and the Vehicle Management Office, among which there was a person named Qian Langkun, who actually had an Iveco under his name! He immediately called to verify and found that the model and color were all the same.

This Qian Langkun is a native of Hunan, looks to be in his early thirties, and the information is marked as a native of Xiangtan, very short, who has been active in Dongguan and Huizhou for a long time, and is attached to a company called Tianqian Logistics. At that time, they did not have any suspicion of him, because he drove a small Isuzu truck with several boxes of clothes in it. These clothes are indeed produced in Huizhou and will be sold in Xiangyang.

Dong Rui knocked on the door of his boss Team Li with the information, explained it to him, and Team Li nodded. Then he said that it was best for Dong Rui to go to Dongguan again, but before going to Dongguan, he should first investigate the previous suspects. If there is contact, check it out first, and if there is no contact, then leave for Dongguan immediately.

"The previous suspects" refers to an incident that occurred in EZ two years ago, and the doctors and nurses involved in the black clinic. The police in EZ received a report, the informant was a woman, she looked very panicked, and she went to the police station to report the case, saying that she saw someone in the clinic covered in blood and her stomach was broken. The police rushed to the scene, only to find that there was nothing unusual about the clinic. The staff was also very calm, as if they were hiding anything. The investigators noticed that there was a relatively spacious infusion room on the third floor, that is, the top floor of the clinic, with a heavy iron door, although it was generously open, and a trace of disinfectant could be smelled. There is only a small window in the room, from the window, the line of sight is very bad, there is a very thick green block most of the light, there is nothing to see in the high cedar forest, climb to the roof of the building, there is a residential building about 500 meters to the south, and the lady who reported the crime lives in that building. She was cooking breakfast that day, and she had a twelve-year-old son who liked to fiddle with a telescope. During breakfast, she noticed that her son had a bad appetite, and later she tried to let him eat more, but his son ran to the bathroom and vomited. When she asked, her son said that he saw someone's stomach cut open and there was a lot of blood. She didn't believe it at first, so she asked her son to show her, and it wasn't until the third time that she saw a small window through the gap in the cedar forest, and sure enough, there was a person lying on the bed, and there was a person next to him who seemed to be operating on him. At first, she just thought it was normal medical activities in the hospital, but then she rode by the place on an electric scooter to buy groceries, only to find out that it was just a small clinic. She hesitated for a moment, and only in the afternoon did she think of calling the police.

The three people in the clinic were taken to the police station, and after repeated interrogation, several of them did not change their faces, and they couldn't ask anything at all, saying that the disinfectant water was a daily cleaning. And said that no one had to do the operation, so they could only let people go back. Investigators were then sent to investigate the clinic. A week or two later, a hospital suddenly called the police, saying that there was a seriously ill and unconscious man, and he took a taxi to the hospital for help, asked him what was wrong, and said nothing, but found a huge wound in his abdomen that had been stitched up. The person's medical records were then investigated and a history of uremia was found. After the doctor's examination, he found that he had just had a kidney! High fever persisted due to severe rejection. The hospital first gave treatment, and during this period, there were constant visits, not like family members, and each time they only said that they were friends. After waking up, the police came to patrol, and those few people did not appear again. Later, he urgently made a note of the patient and repeatedly pressured him before he admitted that he had had had a kidney replacement in the clinic. and claimed that he paid 80,000 yuan to buy the kidney, and he didn't know where it came from. The police immediately took control of the clinic staff. The cashier, a married woman in her thirties, couldn't ask anything, but it was later confirmed that she might not have known. And a nurse and doctor admitted that someone had borrowed their clinic for surgery. As for the identity, he didn't know his name, saying that the other party threatened to let him have no business if he didn't cooperate. Then he was given a one-time rent of five thousand yuan. All he needed was location, equipment, and some simple medical supplies. The other party has very advanced portable equipment, and brings doctors and nurses. The doctors and nurses wore masks the whole time they entered the door and did not come down until the evening after the operation.

This was the first time a similar case had been handled, and the police immediately invited experts from a tertiary hospital to understand the situation. This is not a simple surgical operation, and the reason why the patient has rejection should be that the matching is not successful enough.

There is a similar identification system in the human body, which is used to distinguish between one's own tissue and foreign objects. When a foreign virus enters the human body, the body's immune system quickly recognizes it as a foreign substance and destroys it. It does not attack its own tissue cells. The reason why we can distinguish friend from foe is not metaphysics, but something called human leukocyte antigen. It is marked on the surface of the cell, and the immune system recognizes it, and when it knows that it is a friend, it does not attack, and if it is an enemy, it attacks. If the immune system is defective or destroyed, it will also attack its own cells and tissues.

Human leukocyte antigens are controlled by genes, inherited from parents, and are dominantly expressed, with six main gene loci, and the alleles at each locus are divided into dozens or thousands. Broadly speaking, there are hundreds or thousands of options for each locus, and the probability of two identical genotypes is very small. And the human genes are in pairs, which is even less probable. Unless they are identical twins, there are almost no people with the exact same human leukocyte antigen genotype. However, organ transplantation can still be successfully matched. Because it is not necessary to find exactly the same, it is also possible to bypass the attack of white blood cell antigens. The key here is to screen the recipient for antibodies, and if there is no antibody against it, the transplant can still be performed.

Therefore, it is possible for kidney transplantation to be completed in hospitals with outdated equipment or even in black clinics, but whether it is successful or not is another matter.

For those who provide organs, it is required to be healthy, no infectious diseases, blood diseases, or tumors, and there are also requirements for blood type, assuming that the patient can go to a big hospital to do all blood type, routine, urine routine, coagulation, liver and kidney function, blood glucose, ion, virus test, chest X-ray, electrocardiogram, gastrointestinal, lung function, ultrasound of both kidneys, bone marrow, HIV, etc. There are also requirements for the technique of the kidney retrieval personnel, whether the cut is in place, whether the perfusion is reasonable, and the temperature meets the requirements? The trouble is the matching. It is necessary to match the new organs with the patient, and the support of a large hospital is required. But if it is related, it should be possible to do it. The surgical process should be in a sterile environment, equipped with ventilators, hemodialysis machines, biochemical monitors, etc. In addition to surgical incision and suture, anesthesia, arterial artery connection, urethral catheter implantation are necessary.

Such a complex operation made the investigators dare not imagine that someone would carry it out in such a humble place. It is almost certain that the improper origin of the organs and the inability to obtain normal approval are the reasons for the operation to be carried out here. The staff of the clinic insisted that this was the first time, and they cooperated in giving the contact information of the people who rented the third floor of the clinic, and the physiognomy of the doctors, and they were divided by fines and corrective actions because they did not participate in the operation. Later, after half a year of medical reform, the clinic was closed. And the contact information they provided, it is impossible to contact. However, the police obtained several phone numbers through forensic call records, all of which were from Dongguan. However, after the patient's accident, those numbers no longer generated phone bills, and it is speculated that they should have been destroyed. The physiognomy of the surgeon and nurse is also wanted.

After the EZ police reported the case, Dong Rui got the information and studied the case with Dongguan. It was almost certain that the organ came from the deceased in a homicide that had just occurred at that time. This is the third case of organ removal. At that time, Sun Lei was only one of the members of the task force, and when the bureau sent him to Dongguan, he stayed with Sun Lei for a few days, and by the way, he went to see Chu Li, who had just settled in Dongguan.

Now he has a new profile, which contains photographs, and his height and weight, which can be judged by his footprints. What he had to do was to check again with the doctor at the clinic and the surgeon and nurse who had done the "face-to-face" at the time.

EZ's clinic was closed for a long time, and the doctors at that time later went into a small hospital. When the police found him, he was looking at his teeth. Dong Rui showed him the screenshot in the video, and the doctor looked left and right, saying that he couldn't see clearly. Later, Dong Rui took out the computer again and showed him the video, and the doctor said that although he was short and fat, he was a little similar, but he was not sure.

"If you bring someone to you, will you recognize it?"

"That should be pretty much the same."

Dong Rui looked for the nurse again, and the answer was similar.

In view of this situation, Dong Rui decided to go to Dongguan immediately. Before leaving, the political commissar actually found himself and said that he wanted to go together. Dong Rui was a little flattered, but the political commissar was stubborn. After the political commissar was rehired, he was an investigation technical expert of the corps, with a title of two cents and three cents, and it was too aggrieved to follow him on a business trip to Dongguan, but Dong Rui didn't dare to ask more, thinking that the political commissar was going to go, although this case was too important, so he had to nod. He booked a plane ticket, and the two of them took a plane to Guangzhou in the afternoon. When he arrived at Baiyun Airport, Dong Rui rushed out of the airport, intending to stop a taxi, but Cheng Zheng said that someone would pick him up. Only then did I see a police car from Yue B parked next to it.

"I didn't contact them, I'm here to pick you up."

"Well, I got in touch." The commissar smiled slyly and greeted the visitor. Dong Rui saw the respectful look on the officer's face, and felt a little funny. I feel more and more important about the case.

"Do you remember Chen Si who ate at our house during the Chinese New Year?" When he was in the car, the political commissar asked Dong Rui.

"Divorced brother's girlfriend? Of course I do. ”

"The victim was her own sister." The political commissar coldly threw out this sentence.

Dong Rui couldn't help but be stunned. He naturally knew that the commissar didn't tell him this because of gossip. He reported the direction of his investigation to the political commissar, and then took out the file in his briefcase and checked it repeatedly.

"Very well, let's see the thunder later, see if they have any new discoveries." The commissar was not in a hurry to look at the details in the car.

The two were arranged to rest in the guest house, and although it was already past four o'clock in the afternoon, they still asked to go to the bureau. They met with the task force that was in session. They were welcomed by an introduction and then shared with them the latest information. In fact, it was only one day away from yesterday, and there was no new information, just a description of the progress of the investigation. When they were almost done, Dong Rui took out EZ's case to share, and said that the Iveco probably belonged to Qian Langkun. Sun Lei felt very lucky, and he also had a lot of face, and more importantly, there were a lot more clues all of a sudden. If the two people photographed by the surveillance are really Qian Langkun and the other is a "doctor", then the scope will be narrowed. The most important thing right now is to find that car. At the meeting, it was decided to immediately develop an order, monitor the highway intersections across the country, focus on the Iveco commercial vehicle, and report the original license plate number, and then issue to all the town and village police stations and joint defense teams in Dongguan. At the same time, the investigation of the organ transplant operations that have been completed, are underway, and are about to be carried out in the past few days will be intensified.

Xu Lao and Cheng Zheng frowned, and they couldn't wait to shake hands and greet each other after the meeting.