Chapter 434 Xiao Bing's autopsy results (15 days per day)
When Chen Gengyun went upstairs, he saw Zhou Yi.
He smiled and took the initiative to come forward and shake Zhou Yi's hand: "Comrade Zhou Yi, thank you for your hard work."
Liang Wei and Ni Jianrong walked out of the office. Liang Wei's eyes returned to their usual indifference, completely devoid of the coldness he had when he was on the phone just now.
Zhou Yi then realized that the usually kind appearance of this expert from the provincial department's headquarters team, who was in charge of serious and major cases, was just a disguise.
Keep the sword hidden in the sheath.
"President Chen, thank you for your hard work and for taking the trouble to come here in person." Liang Wei stepped forward and shook hands with the other party enthusiastically.
"Of course I should. I'll cooperate with your work no matter what." Chen Gengyun looked around and asked, "Where's Vice Principal Liu? Is it over?"
"It's over, just left." Liang Wei said with a smile, "We had a great chat."
"Vice Principal Liu is setting an example for all the teachers and students in the school. I can't fall behind. I will tell you everything I know."
Looking at Chen Gengyun's smiling face, Zhou Yi suddenly realized that this was not just a disguise.
The fact that the task force expanded the scope of the investigation was equivalent to allowing Chen Gengyun to confirm that Fan Tianyou had successfully evaded the task force's investigation.
Otherwise there is no need to expand the scope.
That's why he appears so reasonable.
Fan Tianyou did successfully pass the task force's test, but he failed to pass Zhou Yi's test.
You'll soon be out of your element, old man.
Moreover, Chen Gengyun's reaction is very beneficial to Zhou Yi.
Because he had just provoked Fan Tianyou not long ago. If Fan Tianyou had immediately talked to Chen Gengyun about this matter and discussed countermeasures, Chen Gengyun would not be so polite now.
Fan Tianyou hasn't said anything yet, so Captain Wu might have made some discovery.
"Thank you for your hard work, Dean Chen. Come in." Liang Wei made a gesture of invitation.
Ni Jianrong led Chen Gengyun into the office.
Liang Wei suddenly handed Zhou Yi a piece of paper, then went into the house and closed the door.
Zhou Yi lowered his head and opened the note in his hand. It was an approval note signed by Liang Wei, allowing him to access the school leaders' archival materials.
Zhou Yi was delighted, thinking that Captain Liang was handing over the clues about Liu Baoguo and Chen Gengyun to him for investigation.
He quickly asked Chen Yan to go to the internal affairs department, find Director Wang, and hand him the note given by Liang Wei.
After seeing the approval slip, Director Wang took out the key and opened a safe, which contained all the information moved from the school last night.
"Who are you looking for?"
Zhou Yi replied: "Liu Baoguo and Chen Gengyun."
Director Wang lowered his head and began to search in the safe, saying as he searched, "These are all leaders, at least at the deputy division level. They can only be viewed here. They can't be taken away or copied."
Director Wang found two file bags and handed them to Zhou Yi, saying, "It's not that I don't allow it. It's the school's requirement. They say that the information of school leaders is confidential. If it is leaked, we will be held accountable."
Chen Yan asked in confusion, "Our public security organs handle cases according to the law, yet we are still subject to their constraints?"
Director Wang patted Chen Yan on the shoulder and said with a smile, "Little Chen, I've never heard of a higher-ranking official crushing someone to death."
"Thank you, Director Wang." Zhou Yi immediately opened the two file bags.
At this time, the phone in his pocket rang. Zhou Yi picked it up and saw that it was An Yuan calling.
He handed the information to Chen Yan and asked him to take a look first, because Director Wang said the information could not leave the office.
So he ran outside to answer the phone.
"Officer Zhou, this is Xia Yu." Xia Yu said on the other end of the phone.
"Officer Xia, any news?"
"Well, we contacted Feng Qiang, and he personally admitted that he was Xu Liu's cousin. He said that when Xu Liu was admitted to university, he asked his mother to give Xu Liu 300 yuan. They have a good relationship as siblings, but he said that since he went out to work, they can only see each other during festivals."
It’s true!
"When was the last time Feng Qiang contacted Xu Liu?" Zhou Yi asked hurriedly.
"Feng Qiang couldn't remember the exact time. He only remembered it was at the end of March. He was still driving for Zheng Guangming in Anyuan at the time. The call came from the mobile phone that the company had provided him."
"What did Xu Liu say on the phone?"
"It seems she said she would be studying abroad in the second half of the year, and that it was arranged by the school."
Are you planning to study abroad in the second half of the year? Or is it arranged by the school?
Xia Yu asked, "I wonder if this information is useful to you?"
"Of course, it's extremely important. Thank you for your hard work, Officer Xia."
Hearing that he could help Zhou Yi, Xia Yu was sincerely happy, "If there is anything else you need our help with, you can always come to me."
After hanging up the phone, Zhou Yi's mind was racing as he thought about the cause and effect of this information.
First of all, the information should not be false, because according to Feng Qiang, he should be the only relative that Xu Liu is willing to talk to and share his thoughts with.
The fact that Xu Liu called him specifically to tell him about this meant that she needed a place to vent her emotions.
In other words, she should have been confirmed not long ago.
She also said that it was arranged by the school, which means she was studying abroad at public expense.
The second half of the year probably refers to the sophomore year.
To be able to be arranged to study abroad at government expense in the second year of college? This must be an extremely outstanding student.
But Xu Liu's grades in all subjects are average.
Moreover, after so much investigation, if Xu Liu was really selected by the school to study abroad next year, the task force should have known about it long ago.
But there is no information about this at all.
This shows that studying abroad is not a public matter.
Since it is not public, but Xu Liu is eager to share it with her cousin, it means that someone has promised her to send her to study abroad, and the person who made the promise has power and can make Xu Liu believe it completely.
The school cleaner said he could send her to study abroad at public expense, but no one would believe it.
The first person that came to Zhou Yi's mind was Liu Baoguo who had just lost his temper.
He is the vice-president. If his responsibilities happen to cover this area of business, then he is undoubtedly the most suspicious.
Considering that phone call, could it be that he is really Xu Liu's financial backer?
But the way he got furious just now was really inconsistent with someone of his level.
He wanted to fool people and should have said that he had dialed the wrong number and only realized it after the call.
And Zhou Yi also thought of someone, Fan Tianyou.
It is definitely impossible for Fan Tianyou, a child from the mountains, to study abroad at his own expense.
In the 1990s, studying abroad at one's own expense was astronomical. Ordinary people could not afford it even if they sold everything they had. Only families like Qian Hongxing could afford it.
Therefore, the only option left for him is to study abroad at public expense.
Could it be arranged by Liu Baoguo as well?
But Fan Tianyou and Liu Baoguo didn’t find any connection.
Zhou Yi returned to the office and told Chen Yan about this clue. He also asked what the procedure would be for going abroad in college.
After all, the provincial police high school where he was studying did not have such arrangements.
"It's very rare to study abroad on government scholarships in police academies. Not only does your school not have them, but even the Public Security University does not have them because of the special nature of the major," said Chen Yan.
Zhou Yi nodded. Indeed, after all, graduates from public security colleges all have to work in the public security system. There is no need to go abroad. Moreover, if they are not careful, they may be recruited by foreign forces to become spies.
Zhou Yi remembered that he had read a news report in his previous life. It was about a scholar who went abroad to study, but was later recruited by external forces to become a spy. After returning to my country, he provided intelligence to the hostile forces, which eventually led to the leakage of a lot of confidential research data in our country.
"Generally speaking, universities should have more international exchanges," said Chen Yan.
"International exchange?"
"Yes, it's also called an exchange student. It's a targeted exchange with a foreign university. This is the most common type, usually lasting from six months to a year, and no longer than two years. And although exchange students are exempt from tuition, they still have to pay for their visas, passports, round-trip airfare, accommodation, and living expenses. It's not something that just anyone can afford."
Chen Yan continued, "If it's a government-sponsored study abroad program approved by the government, there will be regular subsidies that can cover basic accommodation, transportation, and living expenses. However, prices abroad are very high, so it will still be a considerable burden."
Only a top student like Chen Yan can understand this kind of question.
Zhou Yi asked, "Who generally manages government-sponsored overseas students?"
"The final review is done by the China Scholarship Council. At the school level, it's generally under the jurisdiction of the department responsible for student management. Then, the deans of each college have the authority to declare the number of undergraduate or postgraduate places for their college."
"Dean?" Zhou Yi immediately thought of Chen Gengyun. "Does the dean have the authority to apply for a position across multiple colleges?"
"Probably not."
"Brother Yan, give me Liu Baoguo's information."
Upon hearing this, Chen Yan handed over the information he had taken out of the file bag.
Currently, there are only household registration information and resume information, and no investigation records, because Liang Wei has just started.
The household registration information was very simple, but the resume information was very complicated, a thick stack. Zhou Yi flipped through it and found that it was basically all academic achievements, projects hosted or participated in, papers published on certain topics in certain academic journals, and so on.
It doesn't seem to mean much. Maybe these are confidential in the eyes of the school, but they may not be important to the task force.
What Zhou Yi wanted to see mainly were the career histories of these two people, hoping to find some clues.
Sure enough, student management work is all under Liu Baoguo's responsibilities. No wonder the school asked him to connect with the task force.
Soon, Zhou Yi found something in the information. There was something called "Hongda International Academic Exchange Research Association", and Liu Baoguo was the president.
It sounds like a very empty thing.
Zhou Yi flipped through the academic achievements and indeed found the information about this research institute.
This is a project led by Liu Baoguo and started in 1994. There are a lot of themes and objectives, but Zhou Yi grasped a few key words: to improve the level of international academic development and to vigorously cultivate diversified international compound talents.
He asked Chen Yan to take a look and see if this research institute had the possibility of providing government-sponsored overseas study.
After carefully reading it, Chen Yan nodded and said, "Although this research institute is called a research institute, it is actually a long-term academic research project. Look, it says here that the first phase of the research is five years. Academic research projects always have special funds, and they do have the authority to organize study abroad based on the project research program."
"Wait, I think I saw this project before." Chen Yan said, flipping through Chen Gengyun's information in his hand, and then pointed to one of the pages and said, "Look, this project is also mentioned in Chen Gengyun's information."
Zhou Yi leaned over to take a look, and sure enough!
There is also such an entry in Chen Gengyun’s academic resume, and the content is almost identical.
The only difference is that Liu Baoguo's position is president, while Chen Gengyun's is vice president.
It looks like this is it!
It is entirely possible to send Xu Liu out through this project.
And there are not one, but two people who have this ability.
Liu Baoguo and Chen Gengyun, among them.
On the surface, Liu Baoguo is definitely more suspicious, but Zhou Yi is more suspicious of Chen Gengyun.
Because he protected Fan Tianyou, he might even be the murderer.
Although the connection between Fan Tianyou and Lu Xiaoshuang is relatively hidden, there are still traces to be found through reverse deduction.
The fact that Lu Xiaoshuang could ask him for advice after class showed that she was subconsciously not on guard against Fan Tianyou and had a certain degree of trust in him.
The book that Zheng Jianxin borrowed said that it was a reward from Fan Tianyou for the first place, but theoretically, as a teacher, he should know who would get the first place. This might have been his way of getting closer to Lu Xiaoshuang.
Zheng Jianxin was discovered when he was following Lu Xiaoshuang, probably because Fan Tianyou was the one who set the trap, and only the person who was following could tell who was following him at a glance.
But there is no connection between Fan Tianyou and Xu Liu, and even reverse deduction is impossible.
If the person who supported Xu Liu was Fan Tianyou, then Lu Xiaoshuang would not be in any trouble.
Because Lu Xiaoshuang had never had any emotional entanglement with these two people.
But Chen Gengyun was different. Xu Liu's biggest obsession was to go abroad, and Chen Gengyun had the ability to send her abroad.
Xu Liu suffered a loss in the Zhang Wenhua incident, and will definitely become more cautious when choosing his next financial backer.
Fan Tianyou is certainly not bad. As an associate professor in his early thirties, he is already a rare talent, but he can never compare with Chen Gengyun.
For Xu Liu, she may not be able to wait, nor is she willing to wait.
Even if Fan Tianyou could afford to send her abroad, she would not make the same mistake again. A man's continuous support would put her in a passive position forever. Moreover, once she went abroad, without the physical attraction, the sponsor could stop providing at any time, and she would be in trouble.
Therefore, the best way is to spend public money. Only that piece of approval document is her amulet.
Moreover, she was able to go abroad, which meant that the financial sponsor must have violated some rules. In this way, the two of them were in the same boat, and she was not afraid of being abandoned or backstabbed.
Xu Liu was indeed a top student in the past, and this was a very good plan.
From the time she was first plotted against by Zhang Wenhua in August last year and fell into the abyss to the time she was murdered, it was only a little over eight months.
She is growing at an astonishing rate. After suffering hurt again and again, she continues to understand the dark rules of the game in society and use her body to maximize her benefits.
Therefore, only people like Liu Baoguo and Chen Gengyun, who have resources and power and cherish their reputation, can meet her requirements.
There is a high probability that she was too clever and was killed by her own cleverness.
Because Zhou Yi thought of the flyer and what happened before April 12 that led Chen Gengyun to have murderous intentions towards Xu Liu.
Could this matter be related to Lu Xiaoshuang? Or... to himself?
Because on April 13th, I came to Hongda to find Lu Xiaoshuang and went to the welfare home.
It was also on this day that Xu Liu suddenly showed hostility towards Lu Xiaoshuang and even cut her sweater, leading to a conflict.
Could this change be due to the different circumstances of the cases in the two lives?
I have to find Liang Wei later to ask him about the alibis of Liu Baoguo and Chen Gengyun.
"Director Wang, can we make copies of the photos of these two people?" Zhou Yi asked.
Director Wang, who was hunched over his desk, looked up and said, "Yes, the photos have been developed. You can take them yourselves."
In addition to Jiang Biao, he also needs Lu Xiaoshuang and Mo Youyou to identify whether Chen Gengyun or Liu Baoguo have ever appeared in their field of vision.
Zhou Yi read the information very quickly. He had just answered a phone call, but before Chen Yan had finished reading, Zhou Yi had already finished reading it all.
Chen Yan looked at him in surprise and asked, "So fast?"
Zhou Yi smiled. He had been reading the case files for eight years. How could he not be happy?
There is another important discovery in Liu Baoguo's data, which may confirm Zhou Yi's previous speculation.
When Liu Baoguo was transferred to Hongda in 1981, he was the deputy director of the Academic Affairs Office. He was promoted to director in 1983.
In 1988, he was assigned to temporarily work in the graduate school.
In other words, when Dong Lu got into trouble, it was related to both Chen Gengyun and Liu Baoguo. Professional teaching was under the jurisdiction of the School of Social Sciences, and administration was under the jurisdiction of the Graduate School.
Then, in 1990, Liu Baoguo was promoted to vice president.
Zhou Yi asked Chen Yan to take a closer look, and Chen Yan analyzed some information from it.
First, most universities' graduate schools are not actually physical entities, but rather departments responsible for the administration and enrollment management of all graduate students. However, a teaching and research department like the School of Social Sciences is a real one.
Second, temporary part-time appointment. Generally, the original person in charge has retired, retired due to illness, or has been imprisoned, and there is no suitable candidate for the time being, so a suitable person is found to take on the part-time job first.
Third, he held the position part-time in 1988 and was promoted to vice-president in 1990, which means that the organization intentionally promoted him. His previous part-time job was just to improve his resume and qualifications and to facilitate the transition.
Therefore, if the incident of Dong Lu being burned that year had become a hot topic, it would have actually had a greater impact on Liu Baoguo.
Because he happened to be in the probation period for his promotion.
For him, it is natural to make big things small and small things nothing.
But Zhou Yi remembered very clearly that when he and Liang Wei went to Liu Baoguo's office, Liu Baoguo patted Chen Gengyun on the shoulder when he stood up, and then Chen Gengyun took out the responsibility confirmation letter and withdrawal application signed by Dong Lu from his pocket.
The meaning of this behavioral language is obviously to let Chen Gengyun handle it himself.
For some reason, Zhou Yi suddenly thought of Fan Tianyou.
Dong Lu was burned by arson, which was considered murder.
Arsonists and murderers are people with extreme violent tendencies and serious psychological disorders.
So it's very likely that it was done by the same person.
However, Fan Tianyou's information shows that he went abroad to study in August 1989, while the incident with Dong Lu happened in November 1989. There was a difference of several months in between, which is theoretically impossible.
But as the grand case has developed to this point, Zhou Yi no longer believes in these superficial things.
Before the national network was established, data could be easily tampered with as long as someone had permission.
He wants to seek justice for Xiao Bing and also tell Dong Lu the truth!
There seems to be no problem with Chen Gengyun's information overall.
He is one year older than Liu Baoguo. Chen Yan said that according to his resume, he should step down as dean next year because he will be two years away from retirement. The general term of office in a university is four to five years. Those who are close to retirement will not take up a real job unless they have special approval.
Chen Gengyun is a native of Hongcheng. He was a college student in the 1960s. He and his wife have a daughter, Chen Lin, who attends Hongda University and majors in social psychology, which is also the college where her father Chen Gengyun studies.
This is not surprising. What makes Zhou Yi curious is how Fan Tianyou, who is from the School of Accounting, got together with Chen Lin from the School of Social Sciences?
Besides, how could a dean's daughter fall in love with a poor boy from the mountains?
Talking about knowledge? Is it possible that Chen Lin, the dean's father, would be surprised by others' knowledge?
As for his appearance? Fan Tianyou is not outstanding in appearance, but he has the temperament of an intellectual.
This may need to be investigated, and the cause of Chen Lin’s death is still unclear.
In addition, Zhou Yi found a vague piece of information in Chen Gengyun's resume, that is, there were gaps in Chen Gengyun's resume records for the years 1963 and June 4.
Although it is normal to have some missing information given the age of the materials, a lot of the information in the materials is handwritten. Even if it was not written by Chen Gengyun himself, it was copied by others according to what he said. Didn’t Chen Gengyun say so himself?
Moreover, Fan Tianyou and Chen Lin were both born in 1964.
Zhou Yi asked Director Wang for help and asked him to retrieve the academic records of Fan Tianyou and Chen Lin when they were undergraduates.
This was not within the scope of the school leadership, so Director Wang immediately arranged for someone to look for him.
After returning Liu and Chen's information to Director Wang, he and Chen Yan walked out of the back office with the copied photos. The door of the office upstairs was still closed, indicating that Liang Wei had not finished asking questions.
"Then should I give the photos to Brother Biao first?" Chen Yan asked.
Zhou Yi nodded: "There are two more things that Brother Yan will have to trouble you to take care of."
"you say."
"Go to the traffic police brigade and check if there is any record of Chen Gengyun or Fan Tianyou paying a ticket. If a car is found, immediately ask Chief Qiu to verify the wheel marks found by Team Shi in Xinbei Town." Not having a car under one's name does not mean that one does not use the car regularly. It is possible that the car was borrowed from a friend, or it might be the company bus. If the car is stopped and ticketed, the driver's information will generally be registered.
"good."
"Then go to the Housing Authority and check whether Chen Gengyun and Fan Tianyou have any other properties." Although both of them live in dormitories provided by the school, it does not mean that they do not have a house.
It is impossible for the dormitory to have the conditions to dismember and cook the body, so there is no need to search it.
But if the two people have other properties under their names, then it is very likely that it is the first crime scene of murder and dismemberment!
"I'll go right away."
Chen Yan did not hesitate to hear Zhou Yi's words. He was not stupid and knew that Zhou Yi suspected Fan Tianyou and Chen Gengyun were the murderers, although Zhou Yi did not express his suspicions and analysis this time.
But he went to find his master, and his master obviously agreed with Zhou Yi's judgment.
This is enough, especially since the master believes it, he doesn't need to know the details and can just do it.
His only doubt was why Zhou Yi did not report to the task force.
As soon as Chen Yan left, Zhou Yi was not idle either.
He immediately went to find Qiu Zhiyong, took out his police officer ID card from his pocket, which he had never touched since then, and asked him to collect fingerprints from it.
Qiu Zhiyong asked whose fingerprints were being confirmed?
Zhou Yi replied, the murderer's.
Qiu Zhiyong was stunned for a moment, then started extracting without saying a word.
Two sets of fingerprints were quickly extracted. Zhou Yi verified them on the spot and ruled out his own fingerprints. The only ones left were Fan Tianyou's.
Zhou Yi asked Qiu Zhiyong to keep this set of fingerprints, as they might be useful later.
Then he asked another question about the quarter of the footprint. If the murderer lost or destroyed the pair of shoes he was wearing at the time, could the footprints of the murderer's other shoes be matched?
Qiu Zhiyong shook his head helplessly and said, "No, the best we can do is confirm that the footprints match in size. If the shoe patterns don't match, the accuracy won't be enough. Furthermore, confirming footprints requires other key technical evidence, such as bloodstains and soil analysis. Simply comparing a size isn't enough."
After hearing this, Zhou Yi knew that the footprint clue was useless. After so long, the pair of shoes that Fan Tianyou wore that day must have been disposed of by him long ago.
If he had been careful enough, he would have thrown away or burned the clothes and pants he wore that day.
Then Zhou Yi asked about the situation of the cigarette butts. Qiu Zhiyong said that the cigarette butts were sent back to the bureau for technical processing immediately after the meeting. Because the task force did not have so much equipment, a special person would be sent to the provincial department for DNA testing today.
Qiu Zhiyong said with both emotion and envy, "It would be great if Hongcheng had its own DNA laboratory."
"Don't worry, Chief Qiu, there will be something."
"I hope so."
"Oh, by the way, the brand of the cigarette butt has been found out."
Zhou Yi hurriedly asked, "What brand is it?"
"panda."
Zhou Yi was surprised: "Specially supplied cigarettes?"
Qiu Zhiyong nodded.
Before Hong Kong's return to China in 1997, Panda cigarettes had always been special-supply cigarettes. Only after 1997 could special commemorative editions be purchased on the market. Later, the special-supply cigarette system was abolished, and some special-supply cigarette brands began to be sold on the market.
This physical evidence really excludes ordinary people. The directionality is a bit too obvious.
How could Fan Tianyou and Chen Gengyun reveal such a big flaw?
After thanking Qiu Zhiyong, Zhou Yi went to find Mo Youyou again.
He took out two photos and asked Mo Youyou to identify whether she had seen these two people nearby between February 14 this year and before the incident.
Mo Youyou looked at it again and again, but still shook her head and said she had never seen it.
The female freshman principal might be recognized, but a vice-president and the dean of another college would most likely not be known.
"Wait a minute." Mo Youyou suddenly pointed at Chen Gengyun's photo and said, "I think I've seen this person before."
"Where is it?" Zhou Yi asked hurriedly, "Is it near Xu Liu?"
Mo Youyou shook her head, "No...Xu Liu had already asked for leave at that time."
"Took a leave? So it's after the 28th?"
"Well, it was the day after Xu Liu took leave, on the evening of the 29th, around eight o'clock. I was craving roasted pig's trotters, so I slipped out the back door of the school. When I was walking back after buying some, I saw a car parked on the other side of the road, and an old man in a hat was standing on the side of the road."
"A hat? What kind of hat?"
"No... I don't know. The streetlights on the road behind the door are the dimmest, so I can't see clearly. Anyway, it's just a very common peaked cap."
Zhou Yi asked: "Then how do you know it's an old man?"
He was wearing a hat, the lighting was poor, and he was across the street, so it was theoretically difficult to tell whether he was an old man or not.
"He took off his hat later. I thought he was waiting for a bus, but when the bus came and the driver got out, the man on the roadside gave his hat to the driver and got in. I took a second look at him because it seemed so strange that they were exchanging hats."
"Then what?"
"Then the old man drove away."
"Where's the man in the hat who got out of the car?"
"He jogged all the way into the school gate."
"Are you sure this is the person?" Zhou Yi asked, pointing at Chen Gengyun in the photo.
Mo Youyou frowned and thought about it again and again, then shook her head and said, "It looked a bit similar at first, but now I'm not sure."
It was indeed difficult to see the situation clearly at that time, but it didn't matter. If the subsequent investigation found that these two people were indeed Chen Gengyun and Fan Tianyou, Mo Youyou could still serve as a witness.
"Mo Youyou, the person who got off the car didn't see you when he entered the school gate, right?" Zhou Yi asked. He had to consider the other person's safety.
"I don't think so. The street lights here are broken and it's pitch black. I was afraid of the dark so I hesitated for a long time about whether to go out and buy it."
"Didn't you ask Xiaoshuang to accompany you?"
Mo Youyou smiled sheepishly: "I asked her to supervise me in losing weight before, so... I didn't dare let her know, hehe. And I told her I was out for a run, so after buying it and returning to school, I found a pavilion to eat before going back."
Zhou Yi was at a loss for words. She had never expected that because of her greed, she accidentally witnessed a crucial scene.
This matter was a small matter for Mo Youyou. From going out to buy pig's trotters to returning to the dormitory after eating, it took less than half an hour, and she told her roommate that she was going for a run.
It is normal that he did not confess, and even if he did, it would just be to buy food, and the task force would not pay attention to it.
Besides, he didn't see Xu Liu or other acquaintances in the car, so he naturally wouldn't mention this matter specifically.
If Zhou Yi hadn't asked her with Chen Gengyun's photo, she would probably have forgotten about it.
Moreover, she did not recognize the driver who got off the car, which meant that the other party deliberately concealed his appearance. Otherwise, she would have an impression of Chen Gengyun's face, whom she had never seen before. How could Fan Tianyou, who had taught her for more than half a year, not recognize him?
That hat is the best proof. It is very likely the same hat as the old man buying oil that Jiang Biao found before.
Zhou Yi asked her to recall the details carefully and found that it was exactly as she expected.
When the driver got out of the car, he was facing the old man, and the old man was facing her, so the driver had his back to her. She only saw that the height difference between the two was not much. Then the old man took off his hat and handed it to the driver. After the driver put on the hat, he lowered his head and crossed the road, jogging all the way into the school gate.
She also confirmed that the car was black, but she did not see any logo.
But at least the color of the car body is the same as what the two old ladies in Xinbei Town saw.
I hope Chen Yan can find some clues from the traffic police brigade.
Mo Youyou's witness confirmed Zhou Yi's previous speculation that Fan Tianyou and Chen Gengyun took turns dismembering and cooking the body.
Fan Tianyou's alibi stated that he missed dinner on the evening of the 29th because he was busy with academic research. He went to the cafeteria to eat at around 8 o'clock and there was a record of swiping his card.
It had been about two hours since he last appeared in public.
Mo Youyou's eyewitness clues fully demonstrate that during these two hours, Fan Tianyou, who was "so-called alone", was actually dealing with the corpse at the first crime scene.
When the time was almost up, he drove back and appeared in public again, leaving behind evidence and witnesses.
As for the driver's license issue, Zhou Yi thought about it later. He had studied abroad for many years. If he had taken the driver's license test abroad, there would naturally be no record in the domestic system.
Not having a driver’s license does not mean you can’t drive.
Next, we just need to look at Chen Gengyun’s alibi on the 29th.
If the blank time periods in his alibi and Fan Tianyou's coincide, then the time period for the continued disposal of the corpse will also match.
Of course, human testimony alone is not enough; it needs to be combined with physical evidence.
Just in case, Zhou Yi warned Mo Youyou when he left, asking her to be careful and not to do things like sneaking out to buy food late at night. If she found anything wrong, she should immediately go to the task force to find him.
Although she said that the other party did not notice her, what if? What if Fan Tianyou remembered her as an eyewitness and did something desperate?
Seeing that he was speaking very seriously, and thinking about Xu Liu's death and Lu Xiaoshuang, Mo Youyou suddenly felt a chill down her spine and nodded repeatedly.
I secretly made up my mind to quit this greedy habit.
After coming out of the teaching building, Zhou Yi stood in the open space in front of the building and actually felt a little confused.
Now he has confirmed that there are two murderers in the Hongda case, Fan Tianyou and Chen Gengyun.
Fan Tianyou is the principal offender and Chen Gengyun is the accomplice.
There are many clues now, but they are scattered and fragmented.
Moreover, many clues cannot become key clues, such as tire marks. Even if the black car is found, what if they have changed the tires?
Even if we find the old tire, how can we prove that it was replaced from that car?
We must have conclusive evidence, at least one of these two people can be arrested, and the task force must realize that they are suspects!
We have to mobilize the power of the organization and investigate them thoroughly, then there will definitely be a way to break through.
Suddenly, he thought of someone.
Xiao Bing.
Xiao Bing's autopsy results should be out by now.
He decided to go back to the bureau directly to find Song Yiming and Xu Nian.
Because the autopsy work can only be carried out in the bureau, the conditions on the task force side only allow for clerical work.
Since he got some clues from Mo Youyou, he decided not to look for Lu Xiaoshuang to identify the photos of Liu Baoguo and Chen Gengyun for the time being.
The murderer has surfaced, we have to close the net quickly.
I returned to the municipal bureau and went to the forensic office to look for someone. I found that all three forensic doctors were there. It seemed that they had just come out of the autopsy room and had no time to change their clothes.
After saying hello, Zhou Yi couldn't wait to ask about the autopsy results.
Song Yiming said we didn't even have time to write a report, so I won't go into the details. I'll just share a few conclusions you might be interested in.
Zhou Yi nodded and said okay, the details were not important, the report was not important either, he just wanted to know if Xiao Bing had left any information for him.
He only hoped that Xiao Bing, who had protected Dong Lu for so many years, would not have died in vain!
Song Yiming said: "The autopsy confirmed that Xiao Bing did drown, not that his body was dumped after death."
Zhou Yi had already expected this result, but drowning does not mean it was not homicide.
"Then, we took a blood sample from Xiao Bing and ran a test. If it weren't for Teacher Wang, we wouldn't have been able to confirm the drug content."
When Zhou Yi heard this, he immediately straightened up. Sure enough, he had found the ingredients of the drug!
"Teacher Wang, how about you tell me this?"
Wang Yao nodded and said, "The drug detected in Xiao Bing's blood is called non-benzodiazepine."
"Not..." Zhou Yi shook his head and said, "I've never heard of it. Is it a kind of sleeping pill?"
"Yes, it's a hypnotic psychotropic drug, but it's different from the sleeping pills we usually see. The sleeping pills we usually see are usually diazepam, also known as Valium, which contains benzodiazepines. This non-benzodiazepine drug, called zolpidem, is an imported drug and is not currently produced in China."
"Imported medicine?" This means that ordinary people cannot get this kind of medicine at all.
"When Professor Qin went abroad for study and research, he bought a lot of overseas medicines and gave them to us for ingredient research, including zolpidem."
"The biggest difference between this drug and our common sleeping pills is that it is metabolized quickly and has a short half-life. It is usually metabolized by the human body within two to three hours. After three hours, the blood drug concentration will drop significantly. It is difficult to detect drug residues using conventional domestic detection methods."
"Of course, the price of rapid metabolism is short-term efficacy, so overseas, it is usually taken together with other sedative drugs."
Zhou Yi blurted out, "That's him! The murderer must have fed Lu Xiaoshuang this imported drug. No wonder no sleeping pills were found in Lu Xiaoshuang's blood."
Song Yiming nodded. "Well, the question you asked me at the beginning was correct. After Xiao Bing died, his body's metabolic function stopped, so the drug remained in his blood and was not completely broken down."
In other words, was it Fan Tianyou or Chen Gengyun who was the murderer who drank the water handed to him by Xiao Bing?
But no matter who it is, based on Xiao Bing's time of death and the discovery of sleeping pills, Liang Wei can start investigating his alibi on the night of the 10th. Because there were sleeping pills in his body, it means that Xiao Bing did not commit suicide or it was an accident, but was murdered!
It's a murder!
The cases must be investigated together!
Anyone without an alibi will be investigated closely.
If Fan Tianyou and Chen Gengyun use the same old tricks again and find reasons to prove each other, then I will question their relationship. After all, if they repeatedly prove each other at the critical time of the crime, I have no choice but to investigate you.
"Anything else?" Zhou Yi asked.
Song Yiming said seriously, "Yes! We found something in Xiao Bing's stomach!"
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