Xinyi District Public Security Bureau!

Case discussion meeting room!

Hearing the young appraiser's excited voice, the police officers immediately looked at him.

His eyes were full of anticipation.

The current investigation has almost come to a standstill.

They urgently need a breakthrough to break the current deadlock.

"So, have you identified the special substance that was incorporated into the pool of blood?"

"What is it?"

"Can you help identify the killer?"

The police officers spoke eagerly.

The appraiser also knew that everyone was anxious, and said quickly:

“There are quite a lot of special substances identified.

But whether it helps in the investigation of the case is up to everyone to judge for themselves.

First there are the dark brown crumbs.

Although the waveform of the graph is special, the special substance in the pool of blood is too small.

Director Ma took great pains to separate a dark brown fragment from it.

After identification, the debris was found to be organic matter.

It's beeswax!

Secondly, it is a rare mineral component.

The separated particles appear silvery white under a high-power microscope.

It was finally confirmed to be meteoric phosphotyrite.

In addition, the last special substance is purple-red cinnabar particles."

Um?

Cinnabar again?

Shen Ting was stunned for a moment and quickly looked through the appraisal report.

"This structure, this elemental composition, is it really cinnabar?"

No way!

Is this case related to metaphysics?

Shen Ting was surprised, but after thinking about it, he felt that it was not very rigorous.

Cinnabar is indeed used more in occultism, but it also has many other uses.

It has applications in medicine, industry, and pigments.

Moreover, due to the festive colors, many of them are directly made into bracelets, bangles, and pendants for wear.

“It’s hard to say whether the source of these cinnabar particles is the soles of the criminals’ shoes.

Even if it came from a criminal, it's hard to say why he got stained with cinnabar."

Shen Ting frowned slightly.

The other police officers had similar expressions.

Beeswax, meteoric phosphate, and cinnabar!

These three substances are indeed special.

It is not something that can be seen everywhere in daily life.

But when the three are put together, there doesn't seem to be any special meaning.

It is not very useful in revealing the murderer's identity, occupation, residence, etc.

Shen Ting was not very familiar with organic matter, so he quickly flipped through the beeswax identification report.

He focused on the identification report of meteoric phosphotyrite.

"I didn't expect it to be (Fe, Ni) 3P."

Phosphorite is a phosphide.

It is a mineral, and a very special mineral.

This is exactly what forensic geology studies.

So when the appraiser mentioned it, Shen Ting noticed it.

Its rarity stems from the complex environment in which it was formed.

The iron-nickel alloy in the iron meteorite combines with the phosphorus element in the high temperature and high pressure cosmic environment to form meteoric phosphotyrite.

The phosphorus on Earth exists mainly in the form of phosphates.

The difference between the two is very obvious!

Shen Ting looked directly at the police officers in the conference room:

“Cinnabar and beeswax, it’s hard to say.

However, the distribution area of ​​meteoric phosphotyrite in Dajing is very rare.

If I remember correctly, only Hongye Bay in the northeast of Xinyi District has a meteorite crater.

Exploration there has revealed sporadic occurrences of meteoric phosphotyrite."

"Red Leaf Bay?"

"Also in our Xinyi District?"

"Doesn't that mean the leatherworkers might live in the northeast near Red Leaf Bay?"

The young appraiser was particularly surprised and looked at Shen Ting in amazement:

“Advisor Shen, this meteoric iron phosphate ore is not a common ore.

Ordinary people have never even heard of it, let alone knowing its distribution.

We also consulted the information and combined it with the elemental composition of the ore to determine that it was meteoric phosphotyrite.

Later, I asked a professor at the University of Geology and found out.

In Dajing, only Hongye Bay in Xinyi District has a meteorite crater.

There are records of small amounts of meteoric phosphotyrite being discovered there.

Consultant Shen, how did you know that?

Are you also so familiar with geology?"

When the other police officers heard this, they also looked at Shen Ting curiously.

Because when they thought about it carefully, they had never heard of the term meteoric phosprite before.

It was only after listening to the appraiser's explanation that I realized how rare it was.

As for where the meteoric phosphotyrite is distributed, they have no idea.

"Uh, well..."

Noticing the gazes of the police officers, Shen Ting instantly broke out in a sweat.

He finally understood how Conan felt when Kogoro suspected him.

“I’m luckier!

A few days ago, I was watching a short video and happened to see an introduction to meteoric phosphite. I didn’t expect to encounter it today.”

Xu Xinyi obviously believed it and asked curiously:

"What is Video Number?

Even such a rare mineral is being introduced, so the quality seems to be very high. I'll take a look at it too."

"Uh, I forgot, I just swiped it casually."

"It's okay, there are historical viewing records."

"Uh, deleted it."

Xu Xinyi looked unconvinced: "I just watched the video, and the record was deleted?"

"Well, I've been brushing my phone too much, and my sister keeps playing with my phone, and I'm afraid she'll find out."

Xu Xinyi was skeptical.

How old is Shen Ting’s sister? Would she care about this?

Shao Ming, the project leader, interrupted:

“We’ll discuss these details later.

Due to the special and rare nature of meteoric phosphotyrite, the probability of the murderer coming into contact with this kind of mineral particles in other places is not high.

Therefore, the criminal most likely lives in Hongye Bay.

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