"Be specific!" Xu Tiecheng's eyes were fixed on Lin Jiangbei.

According to the materials of the Investigation Unit, Deng Xingnong was proficient in mimeographing and engraving techniques and drawing techniques. Almost all the materials and drawings of the Provincial Security Department, Deng Xingnong was not at ease to hand over to others to do, but chose to do it himself. ”

"Yes, it is! It's also because of this that I'm optimistic about my little fellow countryman! As the chief of staff, if you can still do such a small thing yourself, you will have a great future in the future. ”

Speaking of this, Xu Tiecheng shook his head regretfully: "But who would have thought that he would be so negligent and was dragged by Wu Wenjun to the Guanhulou Song Field......"

Of course, Lin Jiangbei understands Xu Tiecheng's regret, Deng Xingnong is not only Xu Tiecheng's Huangpu junior, but also his fellow villager in Zhuji, and he works so hard, so he is vigorously cultivated by him as a confidant, but he doesn't want to ruin his future because of a trip to find flowers.

However, he did not answer Xu Tiecheng's words, but continued to say: "Because the current mimeograph engraving technology is to adopt imitation Song style, and according to the specifications of drawing drawings, the font on the drawings is also required to be imitation Song style. Therefore, Deng Xingnong's imitation Song style writing must be very proficient. ”

"This can also be confirmed by the several materials handed over by the Investigation Unit from your security department!"

Xu Tiecheng nodded and said: "That's true, Deng Xingnong's imitation Song style is a must, and the engraved materials are even better than the mimeographed books of the book club!" ”

"But according to the Song style characters on the fortification map I saw at the beginning, although the writing is also very standard, but if you carefully analyze the handwriting characteristics, you can still see that the text on it is slower to sketch, although the imitation Song style is written more seriously, but the structure of individual words is not very fluent."

Lin Jiangbei continued: "According to the general law of the development of handwriting, the development of personal handwriting includes the beginner period, the improvement period, the proficiency period, the stereotyped period, the stable period, the gradual decline period and the total decline period. ”

"Everyone has more or less opportunities to use writing methods, some often write, some occasionally write, some often do not write, and a person's handwriting will reflect different stage characteristics with the increase of age and the degree of writing practice."

"According to my analysis of the imitation Song handwriting on the fortification map, it should belong to the period of improvement of occasional writing. According to the specific situation of Deng Xingnong and the analysis of the handwriting on the materials he engraved, he belonged to the stereotyped period of frequent writing. It is completely inconsistent with the handwriting in Song script on the fortification map. ”

In contrast, Wu Wenjun is more in line with the handwriting characteristics of the imitation Song script on the fortification map. As a staff officer of the Security Department and a staff officer of the Intelligence Department of the Air Defense Command, if Deng Xingnong really can't spare time, Wu Wenjun will occasionally undertake the engraving of some mimeographed materials and the production of simple drawings. ”

Therefore, he must have also learned to imitate the Song style of writing, but because of the lack of opportunities for practical use, he should still be in the period of improvement of the imitation Song style. This is the same as the imitation Song script on the fortification map. ”

"Of course, this is just my reasoning. Whether the place name of the imitation Song style on the fortification map was written by Wu Wenjun is still necessary to find out the imitation Song style materials before Wu Wenjun for handwriting comparison before it can be finally determined! ”

Xu Tiecheng couldn't hold back the excitement in his heart, slapped the table hard, and said, "This is not easy? I'll call someone to get you right away! ”

"Now? Will it be a little too soon? Lin Jiangbei said.

"Earlier?" Xu Tiecheng raised his wrist and looked at his watch, "It's half past five!" Besides, there is a special person on duty 24 hours a day in the security department! ”

"Uncle Xu, in that case, you might as well send someone to the investigation unit and ask them to bring that fortification map too!" Lin Jiangbei said.

Because Zheng Xianggu was in charge of investigating the cases of Deng Xingnong and Wu Wenjun, Du Chenghu handed over the seized fortification map to the investigation unit. Now that Xu Tiecheng wants to call someone to find the mimeographed materials engraved by Wu Wenjun, it is better to go to the investigation unit by the way and bring the fortification map over and let Lin Jiangbei conduct a formal comparison.

After all, what Lin Jiangbei is talking about now is only relying on the impression left by the previous study of the fortification map, if he can directly compare the imitation Song style materials written by Deng Xingnong and Wu Wenjun with the fortification map on the spot, the conclusion drawn is much more reliable!

"Okay, I'll give them an explanation on the phone!"

This is a luxury private room specially prepared for Xu Tiecheng, and a special telephone line was naturally specially pulled for Xu Tiecheng. Xu Tiecheng grabbed the phone and dialed the duty room of the security department, asking them to immediately find the mimeographed materials engraved by Deng Xingnong and Wu Wenjun before and go to the investigation unit to ask for the fortification map seized from Wang Longfei, and then send it to Hushan Tingyutai as soon as possible.

The confidential staff officers on duty did not dare to slack off, and while sending people to look for the mimeographed materials engraved by Deng Xingnong and Wu Wenjun, they personally rushed to the investigation unit to ask for a map of the fortifications.

When the personnel of the investigation unit saw that they wanted the staff officer to come over in person, they did not dare to say that they would give it, nor did they dare to say that they would not give it, so they had to send someone to ask Zheng Xianggu for instructions.

After a while, Zheng Xianggu rushed back to the investigation unit. Hearing that it was Xu Tiecheng's personal order, Zheng Xianggu did not dare to make a hard top, and after asking the confidential staff officer to sign the document transfer record, he ordered his subordinates to hand over the fortification map to the confidential staff officer.

The confidential staff officer immediately returned to the duty room, got the mimeographed materials engraved by Deng Xingnong and Wu Wenjun found by his subordinates, took the duty car of the security department, and rushed all the way to Hushan Tingyutai, and handed it over to Xu Tiecheng.

Lin Jiangbei put the fortification map and the mimeographed materials engraved by Deng Xingnong and Wu Wenjun together, compared them carefully, and became more and more sure of his previous conclusions.

"Uncle Xu, come and see!" Lin Jiangbei pointed to the word "Jia" in one of Wu Wenjun's mimeographed materials, and said to Xu Tiecheng, "The word 'Jia' engraved by Wu Wenjun, and the 'mouth' in the lower right corner, are obviously small. ”

"If you look at the word 'Jia' on the fortification map, does it also carry this characteristic? The glyph of the word '口' in the lower right corner is also noticeably smaller. ”

Xu Tie didn't notice it, but after Lin Jiangbei said this, he also saw that the word 'Jia' on the fortification map and the word "Jia" in the mimeographed materials engraved by Wu Wenjun had the same characteristics.

"If you look at the mimeographed material engraved by Deng Xingnong, is the word 'Jia' in the word 'Jiamian' and the glyph of the word 'mouth' obviously different from the two 'Jia' characters in them?" Lin Jiangbei pointed to Deng Xingnong's mimeograph materials and said.

"Yes, indeed! The proportion of the word 'mouth' in the lower right corner of Deng Xingnong's 'Jia' is obviously more normal than the two 'Jia' characters here. Xu Tiecheng nodded and said.

Lin Jiangbei chose three more words and compared Xu Tiecheng. At first glance, it seems that there is nothing, but after Lin Jiangbei's guidance, Xu Tiecheng can clearly see the similarities between the fortification map and the imitation Song style on Wu Wenjun's materials, and the difference between them and Deng Xingnong's imitation Song style.

If it is said that one place is like this, it can be said to be a coincidence, but if there are four words in a row, it cannot be said to be a coincidence.

Now the truth is revealed!

Even Xu Tiecheng, a layman, can conclude that this fortification map is from Wu Wenjun's hand!

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