Bai Xue hurriedly went to another monitor and took a closer look, and sure enough, he saw that there was also a white flower on the screen over there, and he couldn't see anything, as if the monitor lens was broken, if it wasn't for a clear time display in the corner of the screen, no one would find that the camera was working normally.

Xiao Geyan didn't show any surprise, this was all what he expected, he just took out a notebook, copied the time on the two display screens, and then asked the security officer about the two surveillance videos from which door and where they were located.

Although the security officer still didn't know why this surveillance screen became like this, Xiao Geyan expected it to be like this in advance, which really scared him a lot, and now when he looks at Xiao Geyan, he is no longer that surprised or speculated, it is simply a little bit of the meaning of encountering living Zhuge , and even the enthusiasm for cooperating with them has increased a lot, and his attitude has become more positive.

"The surveillance camera at the front door is interfered with first, and then the back door, which is more reasonable, after all, the back door is relatively more hidden. Xiao Geyan seemed to be talking to Bai Xue and the officers of the security department, and seemed to be talking to himself, "Generally speaking, in such a special teaching building, the back door will not be open for a long time, but will be locked and only opened during a specific period of time, so the murderer either has the back door key in his hand, so he doesn't have to worry about the time limit, or he is very familiar with the time period when the back door is opened." ”

"Yes, the back door of the anatomy building in our school is not always open," the security officer looked at Xiao Geyan in surprise, "Have you been to our school before?

Bai Xue knew that with Xiao Geyan's character, he might not be willing to have much patience with an outsider's questioning, and after waiting for a few seconds, he didn't see Xiao Geyan have the intention of speaking, so he simply interjected next to him and threw another question to Xiao Geyan: "Why is this shot white?"

The security officer was still waiting for Xiao Geyan's response, but after listening to Bai Xue's question, the matter he said was left behind, after all, the question Bai Xue asked was also more curious.

Xiao Geyan pointed to a white, invisible video picture: "At a position where the distance from the camera is no more than five or six meters in a straight line, the lens can be irradiated with a high-power laser pointer, which can interfere with the surveillance camera, although the optical path is invisible to the naked eye, but shining on the camera, it will cause such a white picture, so that there is no need to risk exposing facial features at close range to block the camera." ”

Bai Xue suddenly realized and nodded: "So that's the case, you people who are engaged in criminological research, do you all have the same stomach as you open a grocery store? You have to have everything, you have to understand everything?"

"It doesn't hurt to be a little more knowledgeable. Xiao Geyan replied rather lightly.

Bai Xue was used to his smart but unassuming personality, and he didn't say much, but the officer of the security department next to him heard a clue from Bai Xue's words, and immediately smiled and approached Xiao Geyan: "I said how do you talk greedily and unusually, at first glance, you have depth and wisdom, it turns out that I am still curious, why is the police level so high now? Now I understand, you also work in a university, right?"

Although he said that he was patting Xiao Geyan's ass, it actually had no effect, Xiao Geyan ignored his words, and Bai Xue on the side glared at him a little unhappily.

Xiao Geyan motioned to Bai Xue to save the two surveillance video recordings, and then left the security office duty room with her, anyway, there is no point in continuing to stay here, it is better to go back and take a look, it is estimated that other people from the Public Security Bureau should also arrive, and the work of inspecting the scene has also begun, and they should indeed go back to see if other people have any new gains.

When she returned to the dissection building, Bai Xue was still a little angry, and muttered through gritted teeth: "What kind of thing, casually look down on people! What is it called, 'I wonder why the police are so high now'! What is this called! And 'you also work in a university', this word 'also' is really ingenious enough! Successfully completed the goal of stepping on one by one, not to mention, by the way, he also hung himself up with you." ”

Since Xiao Geyan met Bai Xue, he had hardly seen her sulking like now, and seeing her puffing out her cheeks and frowning slightly, she thought it was very interesting for a while.

"You don't have to be with him in general, or the truth I told you before, the more inferior people are, the more they want to show their value by praising the high and the low, and the strong one, because this kind of person knows very well that if they don't borrow the light of others, they themselves have no bright spots at all. He said to Bai Xue, then paused slightly, and seeing that she was still sullen, he added, "What's more, I and you are on the same string." ”

Poof——。

Bai Xue couldn't hold back, she burst out laughing directly, turned her head to look at Xiao Geyan's serious face, and at the same time, she couldn't help laughing, but also felt that there was an indescribable sweetness and a little joy in her heart.

Bai Xue, Bai Xue, it turns out that you are such a superficial person! Bai Xue had a small voice in her heart saying to herself. was said by a handsome and smart man, and he was already happy in his heart, it was really unproductive, like a little nymphomaniac!

The front foot had just finished despising himself, and Bai Xue on the back foot thought about it again, and when someone like Xiao Geyan said the words "I am on a string with you", it is estimated that everyone will blush and heartbeat the same.

Thinking about it like this, Bai Xue was immediately relieved by her reaction.

"Did I cause you trouble just now?" After Bai Xue came back to her senses, as soon as the wretched qi in her heart disappeared, she remembered something else, "If it weren't for my gloomy face on the side, would you still be able to talk to the guy from the security department about who is in charge of the back door key?"

"It has nothing to do with you, there's no need for this," Xiao Geyan shook his head, "That person should have mastered the time pattern of opening the back door of the anatomy building and sneaked in." ”