"Xiuyi-kun, do you have any specific thoughts on the next search plan?"

After the day's work was over, Lin Xiuyi was called by Nagao Keiko to a bar in Roppongi to discuss the next work plan. Lin Xiuyi has not yet adapted to the sudden identity gap between him and Jingzi, so he seems very restrained. However, he more or less guessed that he was suddenly assigned to take charge of the Kuroda Shoji case, probably because of Nagao Keiko.

"Why did I take charge of Kuroda Akio's case?" Lin Xiuyi gathered up his courage and asked Nagao Keiko.

Jingzi drank the glass of margarita in front of him in one gulp, and then asked the bartender for a copy of the same. This wine is fruit-flavored and very popular with ladies. Rita has her own unique formula and is very famous in Roppongi area.

"Mr. Xiuyi, with all due respect, you and the Special Search Department have now been abandoned by the first search class!" Jing Zi turned his head to Lin Xiuyi and said very seriously.

"This...what does it have to do with the case that I was in charge of Akio Kuroda?" Lin Xiuyi was a little embarrassed when Jingzi revealed his secrets. But after thinking about it carefully, it seems that there is nothing wrong with the unit by the window. If you have more money and less get off work, you will get off work early. What else can you ask for?

"Xiu Yijun is a bureaucrat from the elite group. It stands to reason that he will be promoted to police inspector after three years. After all, he is an elite who has passed the national first-class civil service examination. Please rest assured, even if you continue to stay in the special search department, you will be able to do so at that time. Getting promoted step by step, because this is what the elite group of civil servants deserve, but it's hard to say whether they can stay in the search class!" Jing Zi said like a person who had come over.

Lin Xiuyi actually understands these things very well. As long as he doesn't commit any major mistakes, he can still be promoted to police officer three years later without any suspense. Because if a civil servant from the elite group cannot be promoted to police officer, it will greatly damage the credibility of the national first-class civil servant examination. But after that, Lin Xiuyi may be transferred out of the search class and assigned to a unit under the Metropolitan Police Department to be responsible for some unimportant matters until the day he retires. This kind of day may be very interesting at first, but after a long time, it seems to be thrown into the abyss that can never be seen, and no hope can be seen from now on. And this time, this opportunity brought by Jingzi may be Lin Xiuyi's last hope to change his destiny.

Lin Xiuyi had something on his mind, so he left early after drinking a few glasses of wine. Jingzi still had work to deal with. After everyone parted, Lin Xiuyi took a taxi and returned to his apartment by himself.

Silent all night...

The next morning, Lin Xiuyi and Miki rushed to the pier where the explosion occurred a few days ago. Because the explosion area was too large, there were a lot of evidence left at the scene, and dozens of police officers were sacrificed here, so the forensics class, the mobile search team, and the scientific research team participated in the search for evidence at the scene.

"You have worked hard!"

Lin Xiuyi and Miki wore the armbands of the first search lesson and walked into the blocked area with white gloves. Dozens of field technicians were simultaneously searching for evidence in the cordoned off area. Every now and then, a low-level police officer would raise his hand to salute Lin Xiu, and Lin Xiu nodded in response.

"Ah! It's really hard to do. The power of the explosives is too great, and many things have been blown beyond recognition. If this continues, I am afraid that the search work at the scene will not be successfully completed in a week!" The head of the mobile search team Narita Shinsuke walked to Lin Xiuyi's side, grabbed his hair and said in distress.

"It doesn't matter, just tell us what you have discovered!" Lin Xiu said politely to Narita.

"The bomb should have been placed in the trunk of a car, and we found some unreacted explosive components on a metal attachment to the car. After inspection, it was confirmed that it was indeed Semtine 1A explosive, of which PETN ( Pentaerythritol tetranitrate) is as high as 70 percent, the same type of explosive used in the Tokyo subway bombing twenty years ago..."

Lin Xiuyi couldn't understand the analysis report of explosives at all, because it was difficult for ordinary people to get the explosives of the level of Semtin, but some clues could be found from the subtle differences in the proportions of various components in the explosives. The content of various components of explosives produced in the same batch should be basically the same. Even if the explosives produced in different batches are of the same formula, there are subtle differences in some aspects.

PETN (Pentaerythritol Tetranitrate) is a more reactive explosive than TNT, so it is usually not used alone. Some other ingredients need to be added to passivate the reaction of the explosive~lightnovelpub.net~ So in addition to PETN (pentaerythritol tetranitrate) and RDX (), some sealants will be added to the Semtine 1A explosive to plasticize agents, and antioxidants. The proportions and production processes of these ingredients are basically in the hands of explosives manufacturers and the military, and ordinary people cannot access them at all.

For someone who doesn't master the recipe, it's too dangerous to make Semtine. Therefore, the safest way is to buy Semtine that has been produced on the market. Among them, Semtine without the addition of explosive tracers is the most popular in the market. These dangerous things are often made by terrorists to easily escape security bombs.

Now that Lin Xiuyi has obtained the explosives as an analysis report, the next step is to find out the production batches of this batch of explosives to determine the true source of these explosives.

"What did you find about the detonator?" Lin Xiuyi was in charge of inquiring, while Miki was in charge of recording. There are only two people in the Special Search Department, so the specific work has to be handed over to the relevant departments. Now that the time is tight, Lin Xiuyi is no longer allowed to wait for the on-site investigation report, so using all the clues that have been discovered to carry out the search work ahead of time is Lin Xiuyi's only option at present.

"The detonating device should be modified from an ordinary mobile phone. Just dial the corresponding phone number!" Narita Shinsuke replied without hesitation.

"Oh? That means Kuroda Akio may not have appeared here? He just needs to use the phone to remotely detonate the explosion?" Lin Xiuyi asked in confusion.

"There is such a possibility, but at that time, many people saw Akio Kuroda walking into this warehouse, and after the explosion, Kuroda once invaded our communication system..." Narita Shinsuke explained to Lin Xiuyi road.