At ten o'clock in the morning, Song Wen parked his car on the outside of a red wall. Tall ginkgo trees were planted on both sides of the road. The golden leaves were sprinkled on the ground. From a distance, the ground was bright yellow.

Lu Siyu opened the car door, and Song Wen asked, "Have you brought everything?"

Lu Siyu hummed with a serious expression, and especially touched the gun behind him. Since the last accident, Song Wen applied for a gun for him in case of emergency.

Song Wen also turned off the engine and got out of the car, and looked up.

In front of him is a somewhat old school. This is the alma mater where Xia Weiwei studied, the former Nancheng Medical University, which was later the Nancheng University of Technology Medical Department.

Ten years ago, Nancheng University of Technology, Nancheng University of Mining and Nancheng Medical University merged, and later became Nancheng University of Technology, and the old site of this medical university was preserved.

Although this school is not the most famous medical institution in Nancheng, it has trained a lot of doctors in the early years. Those medical workers saved the dying and worked hard on their posts. Stepping into this campus, Song Wen could not help but admire him.

The two walked to the school gate, and a middle-aged man in his fifties walked over. Although this man was old, his figure and condition were very good. Crow's feet, a high hairline and a few strands of silver in his hair reveal his age.

The man wore a dark blue trench coat and looked very capable. He greeted him and asked with a smile, "Is it Captain Song? Hello, I'm Zheng Huaian. Although I'm a vice-principal, my surname happens to be Zheng."

"We also have a captain surnamed Fu there." Song Wen contacted Principal Zheng before. He is the vice principal of Nancheng Polytechnic in charge of logistics, and he is a senior two years higher than Xia Weiwei, "Principal Zheng, today sorry to bother you."

Then Song Wen pointed to Lu Siyu and said, "This is my colleague, Lu Siyu."

Lu Siyu turned his head and was facing Zheng Huaian. He glanced at him and lowered his head.

Principal Zheng thought that the little policeman was a little shy. He was very talkative and didn't see outsiders: "It's not a problem, it's our duty to help the people's police with clues."

Song Wen chatted with him: "Principal Zheng, it is estimated that many people have sought you out over the years."

Principal Zheng said: "Yeah, recently, a Captain Xu came here."

This principal Zheng stayed at the school to teach here after the postgraduate entrance examination, but later transferred to an administrative position. He can be said to be an insider very close to Xia Zhiwei, so every time this case is found, he is often asked to come over. case. With so many people here, Principal Zheng has become accustomed to this.

Song Wen didn't want to talk about Xu Changying's death in the line of duty, so he changed the subject and said, "Now this case belongs to me to continue the investigation."

Principal Zheng sighed and said, "I didn't expect such a 'celebrity' to appear in the school. To be honest, our school was also burdened by her reputation a few years ago, and the number of students in several classes dropped sharply. I had to rely on subsidies to reduce points to recruit some poor students. If it wasn't for the merger of several schools, the source of students would have become a problem. Fortunately, the school changed its name and got investment. In recent years, many famous teachers have been invited. The old facilities have also been refurbished, and it's only getting better."

Then Principal Zheng turned his head: "Two police officers, what do you want to ask?"

Song Wendao: "Principal Zheng, are you familiar with Xia Wei?"

Zheng Huaian said: "I can't talk about being very familiar. At that time, there were less than 30 students in a clinical class, and there were very few school girls. Although I entered the school two years earlier than Xia Weiwei, there are some elective courses we are together. so I know her."

Song Wendao: "We came here first to check the list of teachers in the school. The police compiled a list according to the time of the incident, which is the list of teachers and staff in the medical school. We want to know, these teachers What kind of personalities are there and what are special about them?"

Principal Zheng said, "Alas, in those days, all the people involved should have been questioned."

As he said that, he still took the form and introduced the people on the form one by one. His memory must be more detailed than the records on the form, but when he finished speaking, Lu Siyu was still light. Shaking his head lightly.

Among the people he describes, more or less, there are profiles that don't quite fit the beluga whale.

Principal Zheng sensitively caught their disappointed eyes and asked, "Well, sorry, did I not help you?"

Song Wen put away the list and said, "No, it has already helped a lot. Many details in it may be of great help in the investigation of the case."

Lu Siyu said beside him, "Principal Zheng, can you take us around the campus?"

Principal Zheng was taken aback: "Where do you want to go?"

Song Wen explained: "It's the places that Xia Weiwei would go to when you were in school. Let's just stroll around and feel the environment of your school."

It was probably the first time that Principal Zheng saw such an investigation method, so he said: "Okay, but after all, it has been more than 20 years, and the campus has changed a lot, so I will take you around. "

So Principal Zheng walked in front, and Lu Siyu and Song Wen followed behind him.

While walking, Principal Zheng pointed to them: "The campus of this school is not big, and a new campus has been built in the north of the city. The teaching building is in front of you, the experimental building is on the left, the students' dormitory is there, and the back is the school building. The canteen on the two floors, the gymnasium and the library on the right... However, these buildings here are of little reference value for you, they are all newly built in recent years, and they are completely different from the past."

Lu Siyu followed and watched, Song Wen continued to ask Zheng Huaian: "That, Principal Zheng, in your memory, what kind of person is Xia Weiwei?"

Principal Zheng recalled: "When we went to school, we really didn't think she was too special. She looked very quiet and beautiful. She often sat at the back of the classroom and spoke very softly. Although she was silent. Not loud, but I remember her being very courageous and temperamental."

Song Wen asked, "Is there anything specific?"

Principal Zheng smiled helplessly: "It's been more than 20 years, how can I remember it?"

"Then how was her grades at the time?"

"Should your police have obtained her transcript? I can't remember the details. After all, I'm not in the same class as her. I only remember that she once complained that the English test was not good. Yes. I remember the teacher praised her a lot at that time."

Song Wen asked again, "Then Xia Weiwei almost dropped out of school, why?"

Principal Zheng said: "I was already in graduate school at that time. She hadn't come to school for almost a month. She seemed to be saying that something was wrong with her body. When she came back later, she was very thin, from a round girl to a mellow girl. Skinny. I didn't care about it after that."

Lu Siyu suddenly interrupted their conversation, pointed to a building in front and asked, "Where is that place?"

The place is behind the school. It is an inconspicuous building. It can be seen that the building is very old. The bricks and construction methods are all left over from the last century. chain lock.

Principal Zheng helped his glasses: "Oh, that, that is the old anatomy building. Later, a new anatomy building was built, and it is no longer used there. He kept saying that it was going to be demolished, and he wanted to build a basketball court for the students, but he kept going. It hasn't started yet."

"Anatomy Building?" Lu Siyu read these three words, and stood downstairs and looked upstairs.

This was the place where the teacher died back then, and that was the focus of their trip.

"It's where medical students dissect corpses." Principal Zheng was afraid that he wouldn't understand, so he explained it.

Lu Siyu said: "I know, I have studied forensics and often take anatomy classes." He paused and continued, "But the rules of forensic anatomy are completely different from those of medical schools, the way corpses are used and stored. , is also completely different. Generally, the complete and high-quality corpse sources are given priority to the medical school, and those in the corners, even those who died suddenly, rotted, and were not required by the medical school, can only be used by us. "

Principal Zheng sighed, still talking to himself: "For us medical students, corpses are called general teachers, and they have always been the most scarce resource. Anatomy class is the class I remember the most. I have to bow deeply to the teacher. I once thought that when I die, instead of being cremated, it is better to go back to school and let each student get a corpse, which is simply the wish of the anatomy teacher …”

Lu Siyu suddenly asked, "Can we go in here and take a look?"

"This... This building has not been opened for many years, and the key may not be found." Principal Zheng was a little embarrassed.

Song Wen said: "It doesn't matter, we can find someone to open the lock, as long as we can open it." In his words, there is a sense that we are not in a hurry, and we will not leave if we don't let us see it.

"Let me call and ask." After Principal Zheng finished speaking, he went to the side of the road to make a phone call. After a while, he walked back and said, "The logistics person said to help find the key."

Song Wen nodded, "Then let's go to the nearby cafeteria first."

The three walked around the cafeteria, and when they returned to the neighborhood again, they saw an old man riding a battery car and handed a bunch of keys to Principal Zheng. Principal Zheng came over with the keys and identified them. Above the label, choose one.

The lock was a little old, and it was shaken a few times before it opened, making a light click.

"This, I can make an exception to show you, but this place is not a good place." Zheng Huai'an looked serious.

Song Wen pretended to mention it inadvertently: "I remember it was written in the file that you seem to have had a murder here in the past."

Principal Zheng's face was obviously stiff: "It was an accident."

Song Wendao: "Listen to what Principal Zheng means, is there a story behind it?"

Principal Zheng paused for a while, then said again: "Okay, I won't hide it from you, here is an accidental death, a teacher surnamed Qiu drank too much and went down to the corpse storage pool below. I accidentally stepped on the air, fell, struggled for a long time, and then drowned, only to be found after several days..."

Having said that, he sighed, as if he didn't want to recall the tragic situation at that time.

Song Wen asked, "Didn't the family members ask for strict investigation at that time?"

"That teacher Qiu usually has a bad relationship with his wife. The two have been separated for many years. It took about three days to think of looking for someone. They couldn't find them anywhere. When a class was picking up corpses, they found one of them. Something is wrong with the corpse."

"What did the police say when they came to check?"

Principal Zheng knew a little bit and answered them: "Anyone can come to this autopsy building at that time. Professor Qiu also came here often, and there was no surveillance video at that time. Formalin was the most suitable for preserving corpses, and the police did not know who he was. What time did it fall in? Later, the results of the investigation showed that it was an accident. After all, this is not a glorious thing, the family members will not be held accountable, and the school has issued a gag order on the students. "

Song Wen asked, "Why did the professor come to this anatomy building in the middle of the night?"

"Who knows?" Principal Zheng showed a helpless expression on his face, "Maybe he missed something and came back to find it, maybe he just couldn't think of it and wanted to commit suicide. It's been more than 20 years since he died, and I'm not the party involved. , nor the police, and don't know the details."

Principal Zheng took a deep breath after saying these words, and then pushed open the heavy door in front of him with a dignified expression. A strange smell came out of the door. The smell was formalin mixed with rotting corpses. The smell has persisted for so many years.

Song Wen coughed a few times because of the smell, and Principal Zheng also covered his mouth and nose and frowned. Among the three, only Lu Siyu looked indifferent. He took out a pair of gloves from his pocket and put them on his hands, then looked up at the dark corridor, and walked in with his long legs.

Song Wen and Principal Zheng hurriedly followed him.