Forensic Medicine Qu Xiaoshui

Chapter 352 Death Mask

Chapter 352 Death Mask (20)

Sure enough, Mi Hao took the samples over. He imitated Mi Yu's movements clumsily, put the silicone rubber on the glass slide, and then observed it with a microscope.

The last time he used a microscope was probably in a physics or chemistry experiment class when he was in middle school, so just debugging took a lot of time.

Everyone acquiesced to his behavior and devoted themselves to other busy work.

The microscope makes the world bigger, and the substances that were originally invisible to the naked eye are magnified countless times, forming a new macroscopic world.

In Mi Hao's eyes, the silicone rubber sample, which was originally indistinguishable, also changed slightly under the microscope.

Some of those silicone rubber samples had larger bubbles, others had smaller bubbles, or denser bubbles.

Those silicone rubber blocks that look very smooth on the surface have also become like the surface of the moon. In the blue tone, they have become pitted and no longer so smooth.

Mi Hao understood somewhat ignorantly. The problem of hand feeling mentioned by Qu Xiaoshui should be caused by these bubbles.

Although he didn't know if it was useful, Mi Hao still recorded all this seriously.

That night, everyone in the office stayed here overnight, and it was Mi Hao who went to the outdoor goods store and bought several sleeping bags so that they would not sleep on the cold desk.

Before turning off the lights, Mi Hao mustered up the courage to paste the images under the microscope taken while observing the silicone rubber on the whiteboard one by one.

He rubbed his palms, looked at the few people who had washed their faces and were about to get into their sleeping bags, and coughed a few times.

Mi Yu stopped opening the sleeping bag, looked at Mi Hao's embarrassment, and tilted his head.

Looking at Mi Hao's embarrassed appearance, he seemed to understand something.

Mi Yu put down the things in his hands calmly, and was the first to walk over, one after another, the others also gathered in front of the whiteboard.

In fact, some words can be understood without being spoken.

Mi Hao's heart seemed to be squeezed by a pair of invisible big hands, sour and ironed.

Qu Xiaoshui and Mi Yu looked at the images and photos pasted on the whiteboard in order from left to right.

Mi Yu raised his chin from left to right.

At this time, he had just finished washing, his bangs were wet a few times, and he didn't wear glasses. His wet hair covered part of his eyes, making his eyes more narrow and moist.

"These silicone rubbers are all made in the same way. They add a hardener to the original silicone rubber, and then stir and mix it. When it is completely solidified, a certain amount of air will be mixed in." Mi Yu squinted his eyes as he looked at the photo. .

Qu Xiaoshui nodded: "The texture of the samples I mentioned earlier is slightly different, and the reason is that the air bubbles that enter are of different sizes."

The bubbles on the first, second, third, and fifth samples of the five photos lined up are all circular bubbles of similar size.The only difference from the other four is the fourth sample. Its bubbles are irregular and much larger than those of the other four samples.

Mi Hao knew he hadn't done any useless work, and might even have helped.

Excitedly, he wiped the palm of his hand on the hem of his clothes: "Why are there differences in the size of the bubbles in these samples?"

Although he knew that the question he asked was very silly to the few people present, Mi Hao still asked it out.

Sure enough, no one mocked him, and no one despised his question.

Qu Xiaoshui gave the answer almost the moment he asked the question: "It may be caused by the different curing speed of the silicone rubber and the mixing method of the producer."

Her fair fingers, whitened even more by the rubber gloves she wore all day, pointed to the fourth picture, which was clearly different from the others: "The problem is this one. "

"The observation images of the three cases five years ago are basically the same as those of the fifth case that occurred recently, only the fourth case is different, right?"

"What's going on?" Mi Yu also looked solemnly.

In fact, these discoveries were made thanks to Mi Hao. Both Qu Xiaoshui and Mi Yu put the chemical composition testing of the silicone rubber at the top of their list, and basically never thought of conducting physical observations on those samples.

Jiang Yue was the first person to be patronized by the inspiration, and he suddenly realized: "When we investigated the case of Lin Zhizhi, we didn't pay much attention to the case five years ago and the white color used in the fourth case. The difference between a plastic box and a plastic bucket."

He licked his dry lips: "At that time, we identified the same murderer only based on the murderer's unique killing methods, but we ignored that at the scene of Lin Zhizhi's death, even the most basic physical evidence was the same as that of five years ago. Every case is different."

Yan Yuanye rubbed his sleepy eyes and pulled himself together: "However, when the fifth case happened, the murderer used the same crime tools as in the case five years ago."

He looked around and found that everyone except himself was in high spirits, so he patted his cheek hard: "Could it be that the murderer didn't buy the right tool by chance, so the inconsistency?"

"If this is the case, it will be even more strange." Qu Xiaoshui sat on the corner of the desk: "Assuming that the situation you said is true, then the fifth case will not use the same crime tools as five years ago." gone."

Seeing that the others stopped talking, Mi Hao took down the fourth photo that was attracted to the whiteboard by the magnet: "The murderer only used different tools in the fourth case, but in the fifth case Given the choice of the same tools as five years ago, there is only one possibility."

He took a few deep breaths, and said viciously: "That is, only the fourth case was committed by another murderer."

That's right, if all the assumptions are true, then only the three cases five years ago and the case of Dou Ziguang were committed by the real death mask killer, while the fourth case of Lin Zhizhi had someone else as the murderer. possible.

This is the only reasonable explanation.

"Could it be a copycat?" Yan Yuanye gasped, and carefully covered his thumping chest.

This is crazy too...

Mi Hao squeezed the photo in his hand: "This possibility is very high."

"Damn it!" His chest heaved violently, and he punched the tabletop with a loud impact sound. His fingers even contracted unconsciously a few times due to the violent impact.

The bang sound surprised everyone, but they could also understand his feelings.

I thought that I was getting close to the murderer, but unexpectedly there was a copycat interspersed in it. The detection of the case seemed to be more difficult than before.

How can Mi Hao, who has always wanted to catch the real murderer who killed his sister, be reconciled? !

 2020-11-23
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(End of this chapter)

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