Qi Changye shook hands with Jiang Yuan with a smile and said seriously: "Captain Jiang, we meet again."
"It's not a good thing." Jiang Yuan also shook hands with Qi Changye, and the colleagues who came with Qi Changye also shook hands: "I'm causing trouble to everyone."
"I wish I could have more trouble like you." After Qi Changye's greetings, he whispered: "I heard that you found a code book?"
"You still need to check it out." Jiang Yuan was both modest and clarified. He has inherited the cryptography of LV5, but this technology is still more sensitive after all, and those who engage in espionage are even more sensitive.
Physically, it's better not to worry them.
Qi Changye naturally wanted to check it. It was difficult to deliver the codebook through the public network, and the few people had not seen it before they came. Now they found a room and took out the codebook to look through it.
The codebook that Miao Liyuan got back was a notepad with some words written in it with a pen. It looked like excerpts of songs. In fact, they all corresponded to some vocabulary, especially numbers and English letters.
The handwriting in the notepad looks a bit sloppy, and the notebook is an ordinary hard-shell notebook, which was a popular commodity back then.
The few people brought by Qi Changye looked at it very seriously. They first looked through it, then started taking pictures, and after a while, they started talking on the phone again.
After struggling for a while, Qi Changye invited Jiang Yuan, Tao Lu and You Bureau into the room, looked at the three of them, and said: "Secretary discipline, several leaders are more familiar with it than me, so I won't say more. I'll say it first.
The conclusion is that it is indeed a code book, but it was excerpted."
"Can the code book be copied?" Jiang Yuan knew that Qi Changye said this now, so he still wanted to use his. It was not the first time that he had cooperated with them in handling a case, so he asked without any scruples.
Qi Changye nodded and said: "The suspect's role should be a semi-edge and semi-core position similar to a traffic officer, so he must master some passwords. From our research and judgment, his password pad is mainly used to log in."
For advertising.”
"Publish an advertisement in the newspaper and use secret words to communicate with the other party?" Jiang Yuan asked.
Qi Changye nodded and said: "Yes. The main thing is to communicate the time and place to obtain the information, and there are also some issues about the amount of money..."
"Um..." Bureau You suddenly interrupted the exchange between the two and said, "I will not participate in this case. You can just talk."
After saying that, You Ju nodded to Jiang Yuan, turned around and went out.
Naturally, Qi Changye did not stop him. He just smiled at Jiang Yuan and said, "Captain Jiang, you can't just walk away. We still hope that you can preside over this case."
Jiang Yuan hesitated: "It's not appropriate for me to organize it. Moreover, this case obviously involves an espionage network and the like..."
"You will direct the investigation of the case. If you need any information, we will provide it to you." Qi Changye said immediately: "You have been following the case. Now let it go to us. Don't you worry?"
This last sentence really touched Jiang Yuan's heart.
This is not to say that Qi Changye and his colleagues are not strong in criminal investigation capabilities, but for a case like this 20 years ago, it is still very difficult for ordinary criminal investigation capabilities to be strong.
"Let's take a look at the case first. What can I learn about it?" Jiang Yuan simply sat down, took out his cell phone, and sent a message to Huang Qiangmin.
Qi Changye pretended not to see it and said: "We can check the information from that year based on the information in the code book to see if it is a spy network that has been cracked. If not, it depends on the specific situation.
But to be honest, if there is no record, then the clues to the password are basically broken."
"You said the suspect plays the role of a traffic officer. He often goes to newspapers to place advertisements, right? Can you find the information of these advertisers?" Jiang Yuan asked.
Qi Changye shook his head: "It's basically impossible, it's been too long, but we can try to find it."
"Then we have to do it from the perspective of the murder case." Jiang Yuan now understood a little bit why Qi Changye wanted to hold on to him.
Ultimately, it is more appropriate to approach this case from the perspective of criminal investigation.
Thinking about it, espionage cases are handled by professionals, and it is very difficult to solve current cases. How to solve espionage cases 20 years ago is a big headache.
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"Call Director Liu to come in and solve the case together." Jiang Yuan dragged Liu Jinghui into the water without hesitation.
Qi Changye agreed.
Soon, Liu Jinghui and Huang Qiangmin walked in together.
Liu Jinghui said with a wry smile, "I still plan to go home in a week or two."
"It may not take longer." Jiang Yuan smiled.
"What, have you discovered something new?" Liu Jinghui was slightly surprised.
"No, but if the case cannot be solved in a week or two, there should be no hope." Jiang Yuan smiled.
"You..." Liu Jinghui was helpless. If it were a young detective, he would have to lecture him for talking nonsense, but since it was Jiang Yuan, it would be fine.
The information provided by Qi Changye and others was very little, but it was very important. Liu Jinghui read it in a while and then started thinking about it.
Jiang Yuan took the code book back and looked through it by himself.
"Now, the case has returned to the idea of conspiracy. It can be regarded as returning to the right path." Liu Jinghui sighed with emotion at first, and then said: "If it is a plot, what benefits can the other party get by killing Zhang Xiaoming?"
Liu Jinghui looked at Qi Changye.
"Ask me?" Qi Changye pointed to his nose.
"Yes. From your point of view, what is the use of killing Zhang Xiaoming?" Liu Jinghui paused and explained: "The normal thinking of recruiting people has been discussed by the previous task force, including the matter of being laid off.
Because of Zhang Xiaoming’s character, there was also discussion about love murder or previous enmity, that is, the Zhang family factor, which was not fully discussed.”
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"Killing him will have no impact on the Zhang family. At least as far as I know, it should have no impact." It was not easy for Qi Changye to say this answer in his first sentence. It was also because he trusted Jiang Yuan very much.
Qi Changye gave this answer.
Qi Changye also knew that this answer would directly affect the investigation direction of the task force. If he did not want to take responsibility, he would not have said this originally. However, from an efficient perspective, it is very effective to eliminate this false option.
.
Huang Qiangmin understood it as soon as he heard it and whispered a few words in Jiang Yuan's ear.
Liu Jinghui continued: "Now that we have eliminated these reasons, do we have any reason to believe that Zhang Xiaoming's death is related to spies?"
"What do you think?" Qi Changye asked.
"I think it's related." Liu Jinghui, seeing how efficient Qi Changye was, also answered very efficiently, saying: "There are two reasons. First, the murderer Li Dianzhong had no other reason to kill Zhang Xiaoming and no other motive for the murder.
Secondly, judging from his actions, he should be trying to find something from Zhang Xiaoming. Is there anything in Zhang Xiaoming’s hand that is worthy of being searched by one of his intelligence officers?”
"Intelligence? Zhang Xiaoming has no access to any information." Qi Changye shook his head slightly.
"If it's not for intelligence..." Liu Jinghui just paused for a moment, without thinking too much, and said, "Could it be to protect himself?"
"What's the meaning?"
"Zhang Xiaoming may have discovered something, or got something in his hand, forcing them to take it back." When Liu Jinghui said this, he spread his hands and said: "I don't know much about spies, but we have actually discussed this before.
Let’s talk about it. If you want to kill Zhang Xiaoming directly, it doesn’t have to be at his home, and it doesn’t have to be at such a time and in such a way. Therefore, there should be something in Zhang Xiaoming’s home that the other party wants to take away.”
Qi Changye didn't disagree with Liu Jinghui's words, he just said: "You just said it was a murder case."
"People have to be killed and things have to be taken away. Looking at it now, I think this is more reasonable." Liu Jinghui went on to talk about Zhang Xiaoming's injured area, and then said: "Li Dianzhong is a professional. If he doesn't want to kill people, he should have
Other means of dealing with Zhang Xiaoming, including things like masking, can also avoid direct conflict. Ordinary thieves would never think of this kind of thing, so professionals must have some ways to deal with it."
"What you say makes sense...then, what do they want?" Qi Changye paused, then said to himself: "Have they got it?"
