It was already mid-April, and it was only a month and a half before the Japanese bombing on June 5. Yu Zecheng felt a little anxious.

Yu Zecheng brought both the second and third action teams to the security headquarters to monitor the seventeen suspects around the clock.

Seven of these seventeen people lived in the headquarters dormitory; Yu Zecheng arranged for seven people to take turns to keep track of them. As long as they left the gate of the headquarters, someone would secretly follow them.

The other ten people all lived outside, some rented houses, and some bought their own houses. No matter who they were, Yu Zecheng arranged for four people to keep watch. In addition to their way to and from get off work, there were also guards posted around their homes. personnel; monitored around the clock and around the clock.

Yu Zecheng himself went to work in the air defense office of the headquarters as usual every day.

On this day, Lan Zuohui happened to be working the night shift. After several days of torture, she had dark circles under her eyes, so she took the opportunity to rest for a night.

After get off work, Yu Zecheng did not go to the secret contact point, but went directly to the observation point diagonally opposite Yu Wanli's house.

Among these seventeen people, Yu Zecheng is the most suspicious of Wanli!

Yang Qingjian, leader of the third action team, personally squatted at this observation point.

Yu Zecheng asked: "What happened?"

Yang Qingjian was a little discouraged and said: "Nothing abnormal was found."

Yu Zecheng did not believe that Yu Wanli was innocent. He asked, "Who comes in and out of his family?"

Yang Qingjian said: "In the morning, a little maid will send Yu Wanli's son to school; when the little maid comes back, an old woman in her forties will go to the market to buy vegetables; then, the little maid will pick her up at around five o'clock in the afternoon.

That kid is back from school, usually before six o'clock in the afternoon, and Yu Wanli will come back on time and never go out again."

Yu Zecheng asked: "How many people are there in Yu Wanli's family?"

Yang Qingjian said: "Yes! His wife committed suicide some time ago."

When Yu Zecheng saw that they didn't ask anything, he said, "Do you have any photos of them?"

"Yes!" Yang Qingjian then took out a few photos from the desk drawer and handed them to Yu Zecheng.

Yu Zecheng took a closer look and saw that a little maid was about thirteen or fourteen years old and had not yet grown into shape; she should not have been admitted to the room by Yu Wanli; the little boy was about seven or eight years old; although the old woman was dressed in ordinary clothes, her temperament was still very good, so she should

I did it in a big family.

Yu Zecheng didn't see any clue, so he put the photo in his briefcase. He said, "You can find a way to install one or two bugs in his house."

Yang Qingjian looked embarrassed and said: "There are people at his house twenty-four hours a day..."

Yu Zecheng's face darkened and he said, "Will there be something wrong with the electricity at his home?"

"yes!"

Yang Qingjian was very afraid of Yu Zecheng. After all, this officer had too much murderous intent and was very mysterious.

Yu Zecheng left immediately. He did not return to the big courtyard on the south bank; transitioning back and forth every day not only delayed time, but also caused safety problems; now, he and Wei Jinjiang lived in Courtyard No. 3. It turned out that he and Wei Jinfeng were married.

room.

The house where Mr. Wei originally lived is still there; because both homes have telephones installed, they became Yu Zecheng's secret contact point.

As soon as he opened the door, Yu Zecheng saw Guan Diwen sitting in the living room. He asked, "Has anyone sent a telegram?"

Guan Diwen immediately stood up, took out a telegram and handed it to Yu Zecheng, saying: "This channel sent another report last night."

Yu Zecheng took it and saw that it was a message from Xiaojian; a knowing smile appeared on his face. He thought to himself: 'You can't bear it anymore, can you?'

Yu Zecheng immediately began to decipher. The first few words were as follows:

Please enable the fourth set of passwords.

The following messages could no longer be deciphered according to the code deciphered last time. He repeated his old trick and used "This information comes from..." to decipher. However, not only the previous messages, but also the last message could not be deciphered.

Yu Zecheng was confused for a moment. He immediately called Lu Zongfang.

The two later met at a secret contact point.

Yu Zecheng said: "Lao Lu, Xiaojian sent another report. She changed it to the fourth set of passwords. I can't decipher it!"

Lu Zongfang trusted Yu Zecheng as always. He said: "Don't worry! You are a capable person, and you already have their source code. I believe you will decipher it soon."

Yu Zecheng shook his head and said: "I'm afraid it will be difficult to find a solution to decipher this time."

Lu Zongfang changed the topic and said: "This shows that Xiaojian has a new foothold. This time, which target is she eyeing?"

In Yu Zecheng's mind, Xiaojian has become a bit of a myth. He said: "If this woman is not eliminated, she will be a big problem after all! Who would have thought that she would find another parasite in such a short period of time?"

Lu Zongfang read the telegram carefully, pondered for a while, and said, "What else can you analyze from this telegram?"

In information science, any clue has a breakthrough; even the dead can talk. Of course, it is not about talking, but it can provide some revelations.

At Lu Zongfang's prompt, Yu Zecheng thought urgently for a while and said, "Could it be said that Xiaojian is still operating within the scope of the security headquarters?"

Yu Zecheng did not find "This information comes from..." in the message, so he made a guess.

Lu Zongfang was shocked! He subconsciously said: "Is the security headquarters just a sieve?"

Yu Zecheng shook his head and said: "I'm not sure. Maybe Xiaojian's new password got rid of the original source code?"

Lu Zongfang shook his head and said: "I think it's unlikely! She came out with a few code books. Is this possible?"

Yu Zecheng also felt that it was impossible to carry several code books; "Did Xiaojian infiltrate another staff member or secretary?" He shook his head, not sure if it was unimaginable or if he thought it was impossible?

Lu Zongfang then said: "The department has recently given us a difficult task. Hi..."

When Yu Zecheng saw Lu Zongfang sighing heavily, he knew that this task was not easy. He asked: "What task made you sigh?"

Lu Zongfang said: "The bureau headquarters learned that Zhongtong had an undercover agent in the operations department. They didn't find out, so they passed it on to us."

"Undercover? Zhongtong also instigated an undercover agent in the operations department?" Yu Zecheng shook his head with a complicated expression; 'The Democratic Party is really bad!'

"Is there any clue?" Yu Zecheng asked again when he saw that Lu Zongfang didn't answer him.

Lu Zongfang said: "There must be clues, but it must also involve a scandal. Therefore, the department did not tell me at all; they only said that there was an undercover agent..."

"Then how to investigate? Aimless investigation?" Yu Zecheng was very angry. The Operations Department always regarded the Central Engineering Department as the scapegoat.

Lu Zongfang raised his hand and said: "Xu Yedao also specifically told us not to investigate in a big way, otherwise it will disturb people's hearts!"
Chapter completed!