Case Files 013

Chapter 305: delay mechanism

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"That's right!" I hurriedly said, "These people all have one thing in common, and this commonality is something that none of us thought of. I never noticed this before. Now think about it, the other three women. Zhang Xue, Zhao Pingjuan, and Zhou Moli may not be safe. The murderer is not trying to let these people go, but the murderer knows that these people can't escape."

"What do you mean?" Seeing my stern face and serious eyes, Zhao Mingkun hurriedly asked, "You mean the murderer is currently in the process of killing these three people? But these three people left in different means of transportation. How can the murderer appear in three places at the same time?"

I shook my head and said, "Because the murderer doesn't need to appear in three places, the murderer has already planned it. The three of them are in danger, so call quickly."

Although Zhao Mingkun didn't understand at the moment, he still followed my instructions, but at this moment, no one answered even after making three phone calls. Zhao Mingkun looked at his phone, then at me, and said, "I can't help it, I can't get in touch. As far as I know, Zhao Pingjuan and Zhang Xue took the plane, but Zhou Moli took the train. From the current time It is estimated that the three of them should have arrived at their destination long ago."

After hearing Zhao Mingkun's words, my heart sank, and I immediately understood that these three people were probably in danger.

"These three people are probably dead too." I looked at Zhao Mingkun and said.

"How do you know that?" Zhao Mingkun asked.

I looked at Zhao Mingkun and said, "These college students from Dongxing University all have one thing in common. But because they didn't show it, we ignored it."

"What do they have in common?" Zhao Mingkun said.

I pointed to my eyes and said: "The common thing is that they are all short-sighted. They are different from us. They read books and mobile phones every day, and almost none of them are not short-sighted. But when we see these people, None of them wore glasses. Of course, I mean the women."

Zhao Mingkun said: "That's right, people like Hu Pei, Yang Licheng and others all wear glasses. But I didn't see any of those women wearing glasses. From this point of view, these women Either surgery or contact lenses."

I snapped my fingers and said seriously: "Yes, they should all wear contact lenses. And this can explain why Xing Yafang's behavior is so strange. In terms of chemicals, there are many acids and alkalis that can corrode the human body. However, most of the acids and alkalis are difficult to corrode plastics, which is why plastics are difficult to degrade because of their high stability."

"That's right." Zhao Mingkun nodded.

I continued to ask: "Do you know what material current contact lenses are made of?"

Zhao Mingkun shook his head, Zhao Mingkun's eyes are very good, so naturally he doesn't understand this aspect.

I said: "Silicon hydrogel. This is also a corrosion-resistant material, and it is not easy to damage the eyeballs due to corrosion by some external factors. Let's imagine that the corrosive liquid prepared by the murderer himself Pour it into contact lens solution. When these people go to the bathroom to take off their glasses after the party, that's when they kill themselves."

Zhao Mingkun's eyes widened, and he said after a while: "Then you mean that Xing Yafang went to the toilet for two minutes. Judging from the length, it doesn't look like going to the toilet. This time is too short. So the reasonable explanation is When she went in to touch up her makeup, did she take care of her contact lenses?"

I nodded seriously and said: "We have all seen Xing Yafang's strange behavior in the elevator. At the beginning, Xing Yafang did not have any abnormalities, but after a while, she began to use the opportunity of the reflection in the elevator Looking into our own eyes, we at that time thought she saw something unclean in the elevator!"

"That's right." Zhao Mingkun said, "At that time, everyone thought it was ghosts who killed people."

I shook my head and said: "I have observed carefully before. Hu Xiaoxue and Liu Ruijie's eyeballs are not the same as these people's eyeballs. Hu Xiaoxue and Liu Ruijie's eyeballs have many wounds in front of the eyeballs, but other people's eyeballs are in the front of the eyeballs. There was a loss on the left and right sides of the eye, suggesting that the fluid was flowing in different directions in their eyes."

"This is the difference between wearing contact lenses and not wearing contact lenses." I said: "Remember Wang Xiduo, she was fine when she was chatting with us, but something went wrong when she was going to put on makeup. I I thought, it was at the most critical step that something went wrong when wearing contact lenses!"

Zhao Mingkun said again: "So she was in unbearable pain, and wanted to use glass to relieve the pain in her eyes?"

I nodded and shook my head again, and said, "I can't confirm or deny this, but it's reasonable. From this point of view, the chemicals Deng Xuemei prepared may not be very corrosive, but Maybe it's more likely that it's very itchy once it gets in the eyes."

"So..." I patted the table lightly, and said, "Those three people are likely to be in danger long ago. No matter when they use contact lens care solution, that is when they will die. I think Hu Xiaoxue is very Maybe it’s fun to see my mother wearing contact lenses, so I secretly tried it myself.”

I shook my head, sighed and said, "That's why my daughter died instead of my mother. After the murderer has done all this, he will never visit the scene of the murder again. Because in her heart, these people have long been dead Well, it’s just a few days of dying.”

We fell into a brief silence.

After a while, Zhao Mingkun said: "But how did the murderer put the prepared liquid into the nursing solution? If it is possible for one or two people, but there are so many people, not everyone will come out with Contact lens care solution, could it be that they all sneaked into the other party's house to make it? But Deng Xuemei from the Department of Biology, except for her good relationship with Lu Zhiqiu, the rest don't even know her name."

I frowned. I really had no way to answer. I suddenly realized that I was a little optimistic. I thought that if I found the murderer, I would know everything, but now it seems that there are still many mysteries that we haven't solved yet.

At this moment, the administrator who had been left by us suddenly exclaimed, and then said, "Why are there so many moths in here?"

Zhao Mingkun and I looked back at the same time, only to see that the administrator had opened the desk drawer behind me at some point. When he opened the drawer, he was taken aback. At the same time, a smell of plants mixed with a bad smell came out. The smell is really hard to describe, but it doesn't smell good anyway.

"What's wrong?" Zhao Mingkun asked.

"Look!" The administrator didn't feel that he had done anything wrong, and said, "Look at the big moths here."

Zhao Mingkun and I poked our heads to look, only then did we see that there were many big moths and a slender plant in this drawer. Deep in the drawer, there is also a small knife and a small bowl for mashing things and a pounder.

Judging from the appearance of the big moths, it can be seen that this kind of thing is estimated to be poisonous. These moths are born with a white color and a large belly. On the wings of the moths, there is white powder, which is the body of the moths. own. The wings of some moths have been plucked, and there is no white powder on them.

And that plant has only branches and no leaves on it. And on the branches of this plant, you can see rows of tiny thorns. I took off my gloves, stretched out my fingers and touched them lightly. If he did, he might get a barb on his hand. Looking down, the branches below have traces of being scraped.

Putting on my gloves, I picked up the knife and carefully observed it along the light.

On the blade, a fine green and white powder can be seen. Needless to say, someone must have scraped off the powder on the moth's wings and the barbs on the plant branches with a knife.

I picked up the small bowl and looked, and saw that it was full of green and white powder. At this moment, a lot of powder was sticking to the bowl, so I could see it clearly.

It's not difficult for us to imagine a picture. Someone caught some moths and found this plant branch. He scraped off the powder from the wings of the moths, scraped off the small thorns on the plants, and put them in a bowl for grinding. . This is very strange, I think if a person is not full and has nothing to do, he should not make such a strange move.

And especially for a Dongxing University undergraduate majoring in bioengineering, it's much less of a boring pastime, and there must be a reason for that.

The administrator looked at it, shook his head and said, "It's strange, this is not a folk remedy, is it? Apply it on your face as a mask? Or drink it with water to lose weight? The more knowledgeable this person is, the more he likes to do these things. Things people don't understand."

The administrator was just complaining, but I imagined a possibility from his words, a possibility that could be used to kill people.

"This is not a folk remedy." I remembered the unknown cause of death of a person, and said, "This is a method of killing people that is not complicated in principle, but very ingenious. The doctor was right. The method used by the murderer was As long as a high school student who listens well can do it, but we just can't think of it... "

"You mean?" The administrator stepped back subconsciously and said, "This is for killing people?"

I nodded seriously, and said, "That's right, this is used to kill people, and I also know who this thing is used to kill..."