Zhou Ning dialed Zhou Xiaoyu's phone, and a female voice came from inside.

"The phone you are calling is turned off, or it is not in the service area."

Hanging up the phone, Liu Yongxin patted Zhou Ning's arm.

"Don't worry, if you care, it's chaotic, maybe Xiaoyu is in class, my daughter-in-law has a classmate who is in No. 1 Middle School, let me ask her to see if this Cui Guanglin went to school today, and find out from the side."

Liu Yongxin went to call, Zhou Ning walked to the window and dialed the second aunt's phone directly.

"What about the second aunt going to work?"

"Well, Xiao Ning, why did you call me?"

"It's okay, I talked to Xiaoyu for a long time last night, I just wanted to ask last night when I went back, you didn't talk about her again, how was she feeling?"

The second aunt snorted.

"Later than we came back, she said that she walked back with you, your second uncle persuaded me, I didn't say much, she left without dinner this morning, she went out very early, and she didn't talk about anything else."

"I'm still going to school today, have classes?"

"You kid, are you stupid at work, they have a high school boarding system, two days off every two weeks, this week is not a big holiday, and they all ask for leave when they come out on Friday night."

"I forgot in a hurry, I just asked, second aunt, don't worry, don't worry, don't worry about Xiaoyu, she understands your worries."

"Okay, don't persuade me, I know you're a good boy, I didn't say anything, you can persuade her more, I still have classes to hang up first!"

Hanging up the phone as he spoke, Liu Yongxin also finished contacting there, and was talking to Xu Dayuan about something, and Zhou Ning hurried over.

"Cui Guanglin went back to school last night, Zhou Xiaoyu and they didn't see it, but they asked people to go to the Chinese teaching and research department to find it."

A bad premonition made Zhou Ning's fingers a little cold, and Xu Dayuan waved his hand.

"Don't wait, go directly, I'll find their school leaders on the way."

A few people went downstairs, Xu Dayuan had already gathered a few people from the criminal police team, and the two cars drove quickly towards No. 1 Middle School.

Zhou Ning was dialing Zhou Xiaoyu's mobile phone all the way, but no one answered all the time, and when Zhao Yuguang saw Zhou Ning's movements, he stepped on the accelerator even harder.

Ten minutes later, I came to the front of No. 1 Middle School.

Xu Dayuan had already contacted the principal, so the doorman did not stop him, the car drove straight in, parked directly in front of the office building, and saw several teachers waiting there as soon as he got out of the car, Xu Dayuan walked directly to the old man.

"How is Principal Bai, have you found someone?"

Principal Bai also had an anxious look on his face, pointed to the office building behind him and said:

"When I received your call, I asked people to look for it, and I searched the office building and the classroom where they taught, but I didn't see anyone, I just asked the two teachers to go to all the bathrooms to look for it, and they haven't come back yet."

"Do they have classes in the morning? Are classes normal? ”

"Teacher Zhou didn't have classes in the morning, and there were two classes this afternoon, as for Teacher Cui, I went to their second and third classes in the morning, took the first class, and then didn't see anyone."

Zhou Ning dragged Xiaoqu and stepped forward directly.

"Check the monitoring, let Xiaoqu check, his speed is fast."

Xu Dayuan naturally agreed.

"Is the surveillance at the doorman?"

Principal Bai nodded.

"Let the chief of security take you there."

Da Zhao waved his hand.

"Hurry up and get in the car with Xiaoqu, let's go check the surveillance, do you know Zhou Xiaoyu and Cui Guanglin?"

"Acquaintance."

A few people got into the car and turned around and drove towards the doorman.

Principal Bai pulled Xu Dayuan and asked in a low voice:

"I said, looking for someone at school is still to reduce panic, can you tell me what the hell is going on?"

Xu Dayuan shook his head.

"I also want not to cause panic, but things are a little special, you also know that I am a criminal police team, I can't tell you the details of the case, you just need to cooperate with us to find someone, now all the teachers are in the office building?"

Principal Bai was choked up, but he also knew that if it wasn't for a serious matter, Xu Dayuan wouldn't ask so mercilessly.

"There are still ten minutes left, 11:40 is the bell for the end of class, and I have just informed all the teachers to gather in the multi-purpose hall on the second floor."

Xu Dayuan nodded, and said a few words to He Chunyang, and a few people quickly dispersed, and then said to Principal Bai:

"Principal Bai, you go to the multi-purpose hall first, find a teacher to take me to Cui Guanglin's office, and find the floor plan of the school, let the teacher with the key follow, my people want to check all the corners of the school, Forensic Liu please follow a teacher, go to the dormitory building of the faculty and staff."

Liu Yongxin knows what this means, one is to see if there are Tibetans, and the other is to have a dormitory to find hair or toothbrushes and other things, these can extract DNA, if there is really something, this can be compared.

Zhou Ning nodded at him, and Liu Yongxin carried a survey box and followed a teacher.

Zhou Ning followed Xu Dayuan to the third floor of the office building, and the names of various teaching and research departments were hung on the door number, but this third floor seemed to be the teaching and research department of the secondary department, and at the end of the walk, it was written the teaching and research department of the second year of high school.

Pushing the door in, there were two teachers inside, and when he saw someone coming in, his eyes naturally looked over, and he didn't need to be introduced by the accompanying teacher, Xu Dayuan had already raised his ID.

"I'm Xu Dayuan of the criminal police team, please put down your work and answer me a few questions, have you seen Cui Guanglin in the morning?"

An older female teacher stood up directly, nodded and said:

"5:40 is the time for morning self-study, I arrived at the teaching and research room at 5:35, and I happened to meet Mr. Cui going out with a thermos cup, and the direction was to go to the West Building, oh it's their second and third classes in high school."

Another male teacher continued:

"After the first class, I went back to the teaching and research room with Mr. Cui, he tidied up the desktop, and then went out with the car keys, without saying where to go.

"Do you know what kind of car he drives?"

"Tian Lai, silver gray 2010 model, cost 240,000 yuan, pick up the car for a month."

Zhou Ning didn't wait for the teacher to speak, and directly preemptively said.

The teacher nodded, looking at Zhou Ning with some surprise.

"Yes, it's natural, the top trim is made of leather, but how do you know?"

"I'm Zhou Xiaoyu's brother, have you seen Zhou Xiaoyu this morning?"

Both of them shook their heads, as if they had figured out something, and the male teacher hurriedly said.

"After the first class, when I met Mr. Cui, I asked him, how did I see my parents last night, did I set a date? Teacher Cui just smiled, I didn't see any special emotions, and I didn't ask much when I saw that he was in a hurry to leave. ”

Zhou Ning walked to the table with Cui Guanglin's brand, the desktop was very neat, although there were stacks of homework books and rolls, there was not even a single crease, the thermos cup was empty, and there were no water droplets outside.

Zhou Ning opened the survey box, picked up the thermos cup with gloves, and swept it over, there was no fingerprint, this discovery made him even more flustered, normal people brush the cup, will they not leave fingerprints?

Then the brush swept over the desktop, and the traces of wiping appeared, Zhou Ning opened all the drawers, saw a bottle of 75% alcohol solution in the bottom compartment, leaned over and sniffed the desktop, and looked at Xu Dayuan.

"The table top and everything have been carefully cleaned and there are no fingerprints left, so there is no point in cleaning it like this, unless there is a special smell or ...... on the hands Bloodstain. ”

The last two words were said by Zhou Ning gritting his back molars, and at the same time, he grabbed the luminol reagent in the survey box and sprayed it towards the table and the thermos cup.

At the bottom of the thermos cup and on the table, there was a crescent-shaped fluorescent trace, Zhou Ning raised the thermos cup and found that the fluorescent position at the bottom of the thermos cup was dented in, which should be the blood stained by the hit.

Zhou Ning's fingers were already trembling a little, and he hurriedly collected samples with cotton swabs, and the thermos cup was also packed into the physical evidence bag.

Xu Dayuan directly dialed Da Zhao's mobile phone, and the other party connected almost instantly.

"Xu Da, we quickly checked the surveillance, Cui Guanglin's car entered the campus at half past eight last night, and the parking lot on the west side has not been moved, and Zhou Xiaoyu arrived at the school gate at half past seven this morning.

We have been found just now, and no two people have been found, and Cui Guanglin's vehicle has been out of the school gate, even if there is a vehicle that has gone out, we have not found any traces of the two people on it. ”

"That is, to make sure they're all on campus?"

"Yes, confirm that they are not out of the campus, the north gate of the school cannot be opened, there are anti-crawling nets on the high walls around them, and they are all under surveillance, it is impossible to leave quietly, even if the vehicles entering and exiting the canteen are strictly unpacked and inspected here, and they are all facing the monitoring, and there is no omission."

After getting this answer, Xu Dayuan was relieved, as long as he didn't leave the school, at least the scope was limited, and then dialed a number, reported the matter here, and mobilized manpower at the same time.

At this moment, the female teacher's mobile phone rang, she looked at Zhou Ning and pointed to the phone, her eyes were asking Zhou Ning if she could answer, Zhou Ning glanced at the three words Principal Bai on it, he waved his hand, signaling the female teacher to answer.

The female teacher was quite smart, and she directly connected to the phone hands-free, and Principal Bai on the other side of the phone shouted urgently without waiting for the female teacher to speak.

"Team Xu's phone couldn't get through, and Mr. Sun told the police that Mr. Cui had found it, and it was wrong...... Mr. Cui has come to the multi-purpose hall. ”

Xu Dayuan heard the movement, and quickly came over and grabbed the phone.

"Repeat, where are the people?"