◎Chapter 42    Ten Years of Terror

The four members of the special case team felt that the case was serious. After getting off the plane, the main leaders of the Lanjing Municipal Party Committee and Municipal Government were waiting for the arrival of the special case team. The lineup was luxurious and powerful. A secretary came forward to introduce the special case team. The Secretary of the Lanjing Municipal Party Committee, Mayor, Director of the Lanjing Public Security Bureau, Director of the Lanjing Public Security Bureau, Secretary of the Political and Legal Affairs Committee, and Directors of various branches of Lanjing Municipal Bureau... These leaders shook hands with the special case team one by one, and expectations and trust were revealed on each person's face and eyes.

It was already 11 o'clock in the evening when the special case team arrived at Lanjing Municipal Public Security Bureau. The office building was brightly lit, and there were many police officers lined up in front of the building to welcome him. The leader was an old man in his sixties. He was the old director of Lanjing Municipal Public Security Bureau. He had retired. Twelve years ago, he served as the commander-in-chief of the "1.19" corpse dismemberment case task force.

The old director held Professor Liang's hand and said, "I'm ashamed, the '1.19' corpse dismemberment case has not been solved, and now another corpse dismemberment case has occurred."

Professor Liang said: "There will always be a day when big cases are revealed. We will do our best. Now that criminal investigation technology is so advanced, there is a great hope of solving the case."

The old director introduced the police who were welcomed in line. These police officers participated in the investigation of the "1.19" corpse dismemberment case twelve years ago. They are now middle-aged and elderly people, and many of them have white hair on their heads. The old director volunteered to tell the special case team that they wanted to participate in the investigation work again. He said with mixed feelings: "Twelve years have passed. I swear to the father of my child. I promised the people of the city that the murderer must be brought to justice. However, now, so many years have passed, I still haven't caught the murderer. Oh, how can I be worthy of the police uniform I wear on my body..."

One of the police officers was filled with emotion and said, "It's been twelve years. The '19' corpse dismemberment case was the first case I took over. It was my first day as a policeman. I also met Diao Aiqing's father, an honest farmer. For more than ten years, I often remembered two small things and couldn't sleep well in my dreams."

The police talked about two trivial things when he visited Diao Aiqing's parents.

Diao Aiqing doesn't know how to ride a bicycle. She is a poor girl. When she was a child, her father often rode her bicycle to carry her. After the incident, his father said that when he was riding alone on the country road, he would always look back at the back seat habitually, and then he realized that he had no daughter.

After her daughter was killed and died, Diao Aiqing's mother also became taciturn. She worked in a diesel engine parts factory. Sometimes, when she was in a daze, she would think of a conversation with her daughter:

Diao Aiqing’s mother: “Aiqing, why does it also have a mole behind your ear?”

Diao Aiqing: "If you disappear in the future, please come to me."

Professor Liang decided on the spot that all the police officers who had participated in the investigation of the "1.19" corpse dismemberment case formed a case backlog team, which was directly commanded by the special case team. The command center was set up in the office building of the Criminal Investigation Department 5 of Lanjing Public Security Bureau. The old director, the director of the Criminal Investigation Department 5, and the director of the Gulou District Branch gathered together, and the three of them worked together with the special case team.

That night, a major case command center participated by the public security departments at all levels of the central, provincial and municipal levels was quickly established. The special case team served as the core leader and commander-in-chief. The police force was insufficient to be transferred from the province, and the staff was insufficient to be transferred from various agencies. In short, everything must be ensured that the investigation work is carried out, and everything must be convenient and helpful for major cases. The command center has an investigation and visiting group, a forensic group, a on-site investigation group, and a physical evidence analysis group.

Computer technology team, trace identification team, archive management team, and mass clue collection team.

The next morning, Bai Jingyu drew elite soldiers and strong generals from the national police circle to form an expert group, and urgently convened to Lanjing City to join the major case command center. Among them were experts in various fields such as criminal portraits, DNA rupture identification, blood type analysis, dental science, trace science, and criminal perverted psychology. Each of them was famous in the national police circle.

The Case Command is a gathering of heroes and a super strong lineup!

The special case team held a meeting of 100 people, formulated general working principles and detailed task allocation, and the "1.19" corpse dismemberment case and the "9.11" corpse dismemberment case, two cases of bad nature, were investigated together. The unsolved case that had been covered with twelve years was opened again, and the special case team walked into the archives room. Professor Liang remembered the reason why Bai Jingyu did not get the case file - there were too many archive files for the "1.19" corpse dismemberment case, and several rooms were piled up.

Diao Aiqing's head was cooked and has been frozen for more than ten years. A large number of photos show the scene when it was discovered many years ago. The head was cooked, so it showed a terrifying red color. More than ten years ago, Lanjing police searched for clues widely through the TV station and exhibited two bags of corpses: one was a blue denim backpack and the other was an old-fashioned handbag. There was also a printed sheet containing corpses fragments, hoping that citizens would provide clues.

Professor Liang sent several policemen to extract DNA and blood samples from Diao Aiqing's parents, and re-dna identification of more than 2,000 corpses and heads of the deceased Diao Aiqing. The pack of the corpses and bed sheets were used for trace objects to be tested, trying to find the subtle physical evidence left by the murderer. If the murderer's DNA can be extracted, the case will be solved soon.

A DNA identification expert said: Why did the murderer use red sheets? Alas, if it is white, we will find more clues.

DNA identification experts said that there is a dark red dye on the bed sheet, which is a very difficult inhibitor in DNA testing.

The method of committing the corpse dismemberment case twelve years later was very similar to the "1.19" corpse dismemberment case, and the location of the corpse was very consistent. The special case team held a heated discussion at the meeting, and everyone had different opinions. Half of them believed that the two corpse dismemberment cases were done by the same murderer, and the other half thought that the other murderer was imitating the crime.

The three corpse-discarding scenes of the "9/11" corpse dismantling case were strictly protected by the police. Professor Liang asked Bao Zhan to lead the inspectors to start from the center site, fix the scattered objects, mark them and extract them. Bao Zhan first took the whole scene and the center site, and conducted a search on a radius of 2,000 meters, but no suspicious physical evidence was found on the periphery. The police transported the trash cans that abandoned the corpse and extracted all the objects inside. Dozens of people took three days and three nights to conduct a detailed investigation. Except for the packaging bags containing the corpse, the police did not obtain any other useful information.

The investigation and visiting team widely solicited witnesses and initially believed that the murderer might have ridden an electric bicycle to throw the body. This also has amazing similarities with the "1.19" corpse dismemberment case twelve years ago - twelve years ago, the police believed that the murderer was riding a bicycle to throw the body!

The major case command center established a laboratory.

On-site inspection, physical evidence analysis, trace identification, three groups jointly set up a laboratory equipped with the latest scientific and technological instruments, including scanning electron microscope, Fourier infrared spectrometer, microspectrophotometer, gas chromatography/mass spectrometer, gas chromatography, liquid chromatography, multi-

Band light source detection system, ultraviolet-visible spectrophotometer, thin layer scanner, forensic image analyzer, DNA amplification instrument, DNA sequencer, language recognition workstation, file detector, etc., as well as other laboratory equipment.

Professor Liang asked the identification experts to do the most meticulous examination from the bags and plastic bags that package the body, trying to extract the remaining blood, semen, saliva, sputum, hair, nails, stains, oil stains, dander or other human tissues.

The head of the deceased was also cooked, and the face was difficult to tell. After DNA identification, the deceased was a male, about forty years old.

There is a big difference between the two corpse dismemberments. The deceased in the "19th" corpse dismemberment case twelve years ago was a woman, at the age of twenty; the deceased in the "9th 11th" corpse dismemberment case twelve years later was a man, at the age of forty.

The case became complicated. The special case team analyzed and discussed. Bao Zhan made a bold assumption at the meeting that the forty-year-old middle-aged man might be the murderer of the "1.19" corpse dismemberment case and was killed in the same way; there is another possibility that this person was an insider or witness and was killed by the murderer of the "1.19" corpse dismemberment case and was killed and silenced!

The two hypotheses are creepy!

The murderer killed the insider many years later?

Do insiders kill the murderer many years later?

Which one is closer to the truth?

Su Mei used computer technology to find several netizens who posted on the Internet. Black Mass was interrogated by the police at the Gulou District Branch. He said that he was from law, worked in a court and a law firm, and now works in a bank. The online name is Black Mass, because he liked a heavy metal music album, so he named it.

Professor Liang: "In 1996, you were only fourteen years old and were still in junior high school. From this point of view, you can rule out the suspicion of your crime."

Director of the Gulou District Branch: "Why are you so concerned about the case more than ten years ago? Why do you think of posting online to speculate on the murderer?"

Black Mass said: "My concern about this case was in 2006, and I saw several posts about the case on the Internet. The original intention of my post was to attract civilian experts to come in and discuss the case together, but I didn't expect that someone suspected that I was the murderer."

Professor Liang: "I have read all the reasoning and analysis in your post. There is some truth to us. We will investigate in depth. You think the suspect is a man. He was between the ages of 30 and 40 at the time of the incident. He may be under 30 years old. He has a good appearance, mature and steady temperament, introverted personality, humble, single, has received higher education, high cultural quality, likes to listen to music, and may also like literature, live near Landa, live alone, and understands some medical knowledge, but no one knows it - but you have ignored the extremely critical point."

Black Mass: "What?"

Professor Liang: "This is not a matter of confidentiality. I hope you will shut up from now on after you understand it."

Black Mass: "Okay, I'll shut up."

Professor Liang: "In the '1.19' case, all the internal organs and human bones of the deceased were found. Do you think where did these go?"

Black Mass: "It may have been thrown away by the murderer, or buried."

Professor Liang: "There is another possibility, you think about the most terrifying place."
Chapter completed!