Qin Gang's progress efficiency is still good, less than an hour after handing over the photos to the teacher, the three photos have been whereabouts, although there are only side faces and no front face photos, but three classmates are also identified, all of whom are students in school.

After questioning one by one, they all returned to the school from outside, and then they all went back to the dormitory directly, and they did not go out again, and there were people in the same dormitory and more than one person could testify, which poured the little hope that Qin Gang had ignited.

In the middle of summer in August, there is not a single cloud in the blue sky, and the fiery sun scorches the earth. A southerly wind blew, and a wave of heat rolled up from the ground, and the fire burned so that people felt suffocated. The weeds could not withstand the sun, and the leaves slowly rolled into thin strips. In the distance, some gray gases that look like clouds but not clouds, like fog but not fog, float low in the air, making people feel breathless.

Qin Gang simply found a big tree and sat down.

Now even if the technical team collects the items they collect and do biological extraction, there is no comparable living person, Qin Gang looked at a small hill outside the campus with blank eyes, as if he was thinking about something, and he didn't seem to think about anything.

He believes in Li Yi's analysis and judgment, this direction should not be wrong, clean scene, hidden route, this person who cleaned up the scene can be regarded as meticulous, at least when cleaning up the scene, there is no reason not to choose this route. But they couldn't find the person in the portrait, there must have been something missing.

Li Yi got up and walked slowly along the fence in the direction of the west gate, while walking, he carefully observed the surrounding cameras, walked slowly, and saw a knocking door.

Qin Gang carefully recalled that he didn't seem to see this door the night before, or maybe he didn't pay attention to it at the time, and felt strange, so he strode in.

This is the back kitchen of a restaurant, and several employees in it have already begun to be busy, and his entry is not noticed, and no one looks up at him, as if he is not there.

"Hello." Qin Gang greeted a short, thin employee nearby.

"Is there anything wrong with you?"

"May I ask if the gate of the wall has always been there?"

"You're ......."

Qin Gang showed his ID and showed his intentions.

"Well, it's always been there, what's the problem?"

"I seem to have passed by the night before, and I don't seem to have seen it, so I'm asking strangely."

"Maybe the door was closed at that time, usually when we open the door, it will be open until the door closes at night, or it is not strange that someone closes it casually when they enter and exit, this kind of thing is often happening."

Qin Gang made some inquiries carefully before he understood the reason.

This restaurant was opened by the family of a leader in the school, in order to facilitate the school's teaching staff and students to enter and exit the dining hall to eat, a back door was specially opened to facilitate access to the meal, otherwise, you must go around to the west gate and walk back, which is inconvenient. This reminded Qin Gang of the back door of the Lakeside Club.

The school is definitely not allowed to open the back door on the fence, but the owner of this restaurant is a family member of the school leader, which is a special case, and a whole row of restaurants on the west gate is their back door.

"Actually, anyone can come and go, and you don't care." Qin Gang said.

"There's nothing to worry about, as long as the door is open, anyone can enter and exit, and they usually come to eat, even if they don't eat and pass by, it's okay."

"What if the door closes?"

"Just knock on the door, it's all teachers and students in this school, whoever we hear here can open it."

"What time does it close at night?"

"At 12 o'clock at the latest, we will close at 11 o'clock here, and other restaurants will be late, especially for barbecues, it may be until the second half of the night."

"On the 7th, do you still have any impression of the people who passed by here on the night of the 7th of this month?"

"Officer, we're here to wash and stir-fry, it doesn't matter who goes in or out, no one will pay attention."

"Do you have a surveillance head in your restaurant?"

"Yes, there is a cashier, and the boss only cares about more money and less money, and nothing else."

Qin Gang walked into the restaurant and quickly scanned it, which really disappointed him, only there was a camera on the ceiling opposite the cash register, which directly shot the position of the cash register.

Immediately, Qin Gang walked into the back kitchen to thank him and then turned around and entered the school, where there is a road leading to the faculty dormitory about 50 meters to the right, and there don't seem to be many monitoring heads in front and back, less than the teaching area. Qin Gang tried to walk all the way down the road leading to the faculty dormitory, passed a canteen, and slowly walked all the way and turned left and right two times to reach the wall.

Along the way, there is not much monitoring, and the distribution interval is significantly sparser than that of the teaching area.

******

Back in the office, Li Yi was staring at the computer.

"I see that you are not refreshing, I want to come and eat the tabula rasa." Li Yi said.

"All three of them are sports school students, and they go back to the dormitory from the outside, no problem. When I saw the childish looks of these three classmates, my heart was already a little cold. ”

"We can't have this kind of thinking, we have heard of the cases we have handled, the kind of butcher-style murderous demons, which one of them is full of fierce eyes."

"Huh." Qin Gang smiled, "That's right, the one with a cheeky face may not be a gangster, the gentle and elegant person may not be a gentleman, you don't have some uplifting news." ”

"No, I didn't think about any big discoveries when I looked for Zhang Liquan, and when I came back, I also watched the videos of the West Gate and the North Gate, there was nothing wrong with it, I was a little sorry for the large-scale operation yesterday, wasting people and time."

"Don't, brother, you can't be discouraged, you are a spirit and an example, if you can't lift the energy, I will be completely deflated."

Li Yi smiled, "Just say a few words about the scene, I can still carry the banner, let's make a little more of it, and we must figure out some direction." ”

"On the way back, I wondered if we were missing some point camera data, I had a brainstorm." Qin Gang said.

"Well, this time is especially in need of brains."

In fact, after the accomplice cleaned up the scene, he made it clear that Li Yaling lived alone, and there was no need to leave in a hurry. With his familiarity with the site, the community, and the sports school, he can also choose a method. Stay directly on site for one night and leave the next day with a good view during the day, so as to avoid unpredictable accidents when walking through the forest at night. And the time point of the sports school is very easy to grasp, there are few people in the early morning, and classes are in class after 9 o'clock, and there are few people. As long as you enter the sports school, avoid the cameras at several key points, carry a bag and wear a hat during the day, it is reasonable and reasonable, and it is easy to mix quietly among the students, which is also an optional plan, and you can even go into the bathroom of the teaching building to change a set of clothes and leave, the only drawback is that you must sleep with the body at the scene of the crime. ”

Li Yi nodded again and again when he heard this, "It's a good idea, if you don't take away any items, I mean the items in the bathroom, and the tools to clean up the scene, I think it's absolutely feasible." ”

"Why, he has a backpack, does it have an impact?"

"There must be, cleaning the site, mopping the floor, wiping the table, brushing the floor drain, what these operations will touch, think about it."

Qin Gang tightened his eyebrows, and suddenly slapped the keyboard, "Water." ”

"That's right, water. Towels for wiping tables, cloths or sponges for mopping floors, and brushes for floor drains all need to be wet, and these things don't mean they can dry overnight if they absorb water. It is more likely to get bloodstains, these wet items are placed in the backpack, and they will seep water and wet the backpack, in broad daylight, this recognition is relatively high, and this person should think of this. ”

"The bag can be waterproof, or it can be waterproof in a plastic bag."

"It's unlikely that the waterproof bag will kill someone unexpectedly, and then we need someone to deal with the scene. Unless you go to a professional outdoor goods store, you need to hurry up to clean up the scene, and you have to take the time to buy the bag, which is unlikely, and there may be plastic bags. ”

But as for the direction, Li Yi feels that such an analysis may actually be valid, but the main point is the portrait of the accomplice and the direction of finding the accomplice, which is a bit confusing at present.

"By the way, the security captain of the sports school said that vehicles outside the school, taxis are not allowed to enter the school, but private cars can enter, will there be such a possibility, this person will go out directly in the school in the car that responds, as long as he does not sit in the co-driver, he will not be photographed, even if he is in the co-pilot, it may not be completely clear, it depends on the sitting posture and angle." Qin Gang said.

"People can easily avoid the camera, the car is more difficult, the driver and co-driver in the car only need to adjust the seat, and it is not easy to be photographed, plus the light is dim when it is dark, people are really not easy to photograph. But the license plate is easy to photograph, you think. ”

"Decks?"

"If you want to do this kind of thing, you must have a deck, but maybe this will make it complicated, around the school, it is convenient to park anywhere, and there are few cameras, so why bother."

After a short silence, "Actually, I saw a familiar name in the off-campus vehicle information on the 7th entering and leaving the sports school, guess who it is." Li Yi said.

"No, such a shocking information, you don't report it, who is it?"

"Shao Guoqing, but the car he drove on the day of the 7th was not the car we drove when we met him and Bian Wei the night before yesterday."

"Yes, he drove a new car the night before yesterday, and he hasn't got a license plate yet, so he changed cars?" Qin Gang suddenly had a question, "After the No. 7 car is used, it will only be two weeks at most until today, so it will be a new car?" Could there be some mystery in this? ”

"When you came back, I also thought about this question for a long time, I'm not sure, in fact, I don't want it to be Shao Guoqing's car, in this way, I will be firm in my previous direction, just have to think about it again. But Shao Guoqing's car appeared, which made me a little shaken, whether our direction deviated again. ”

Before Qin Gang came back, Li Yi did think about it for a long time, whether there was any deviation in the analysis this time, although in the process of handling the case, deviations could not be avoided, but there were deviations twice in a row, and the first thing to suspect was himself.

"Today I walked around the fence in the sports school again, especially the west gate, there is a restaurant with a back door that can directly enter the school, go out and turn right about 50 meters is a straight road to the faculty dormitory area, there are fewer cameras, the road is narrower, there are many trees on both sides of the road, I think it is possible to avoid surveillance through this road." Qin Gang said.

"Yes, the direction can't be changed, until it's dark, Shao Guoqing, we can meet again."