"Captain."
Outside the Secret Service Office, Sun Chengwu had already gathered his second team. There were more than forty members in total, waiting nearby.
"There's no need for so many people."
Zhou Weiguo frowned and said," This time, we're only going to scout. It's enough to bring a small team.”
The more people there were, the easier it was to be exposed.
He and Sun Chengwu could both go.
"This, is."
Sun Chengwu was a little hesitant, but he still carried out the order.
Soon, a group of more than ten people headed toward the target street.
In order not to attract attention, Zhou Weiguo did not take a car. Instead, he walked on the street with Sun Chengwu.
The other team members followed from afar, while Zhou Weiguo was discussing the case with Sun Cheng.
"At the beginning of last month, I was drinking at Drunken Fragrance Restaurant on Carefree Road.”
Sun Chengwu recounted what had happened again, but he couldn't help but blush.
After all, they were going to a brothel. Everyone knew what kind of wine they drank.
"It was just that when I passed by the room on the second floor, I heard a voice coming from inside. Vaguely, other than the woman's voice, she could also hear the man's heavy breathing.”
As he spoke, Sun Chengwu said with some pride," I'm not boasting, but my hearing has been excellent since I was young. That was why I could tell that the person had said something in Japanese called 'Si Guoyi'. At first, I didn't understand what it meant, but I took a second look out of curiosity.”
"Later, when I returned to the special training department and asked the instructor, I found out that it was a Japanese sentence. At that time, he was also extremely annoyed. He felt that he had missed a good opportunity to discover the Japanese spy. However, he did not expect that when he went to the Drunken Fragrance Restaurant two days ago, he would meet that person again.”
"You saw him?"
Zhou Weiguo suddenly asked.
"Absolutely."
Sun Chengwu nodded and said seriously," At first, I only felt that the voice sounded similar, but I only found out after asking around. That person was called Liu Yongfeng, a regular customer of Drunken Fragrance Restaurant. He would come to Drunken Fragrance Restaurant almost every two days.”
"Did you alarm him?"
Zhou Weiguo nodded, but he still asked to be on the safe side.
"No, I haven't."
Sun Chengwu shook his head." At that time, I thought that since he couldn't escape anyway, and I was alone, there was no need to alert the enemy.”
Sun Chengwu felt helpless.
He had originally thought that after he graduated from the special training class and entered the Special Services Department, he would lead people to investigate cases after he became a team leader. However, who would have thought that after graduation, no one wanted him. The special forces had enough.
Hence, he stayed in the General Affairs Department for a month until Zhou Weiguo arrived.
In order to curry favor with Shangguan and to repay Zhou Weiguo's kindness, he revealed this news.
"Are you sure he's still here?"
Zhou Weiguo asked again.
"Definitely."
Sun Chengwu said firmly," I saw him the day before yesterday."”
"I didn't expect you to be a regular customer."
Zhou Weiguo teased him, causing Sun Chengwu to reveal an embarrassed smile.
However, this was normal.
It's just love between men and women. What's wrong with a single dog who doesn't have a girlfriend visiting a brothel?
It wasn't like he didn't want to pay.
In this day and age, there was neither Ivy nor the little yellow book. Even if he played with it himself, he would not feel good.
It was better to spend money to find a girl in a brothel to vent his anger.
Moreover, this thing wasn't considered expensive. It was more than enough for 50 cents a time.
"According to you, there's definitely something wrong with Liu Yongfeng.”
Zhou Weiguo analyzed for a moment and said slowly," If I'm not wrong, there's something wrong with this brothel.”
"What?"
Sun Chengwu was shocked.
"As a spy, the most important thing is to live in seclusion and not do anything that attracts too much attention.”
Zhou Weiguo glanced at him and said calmly," However, there is one thing that he must do.”
"Mole?"
Sun Chengwu hesitated for a moment.
"That's right."
Zhou Weiguo nodded and explained patiently," If he really is a carrier pigeon, then he must exchange information with the mole frequently.”
The Japanese spies were lurking in Nanjing, of course, not for charity.
Their goal was to obtain important information about the Republic of China government through the moles under their control. Therefore, frequent contact was unavoidable.
"And there are only a few ways for carrier pigeons and moles to exchange information.”
"The first is direct communication."
"The two sides will have direct contact and exchange information verbally. This kind of exchange was the most reliable and direct. But correspondingly, the risk of exposure was also higher. This was because once they met, it meant that both parties would know each other's identity. Once one party was exposed, the other party would be implicated.”
"So unless it's an emergency report, the possibility of it happening is extremely low.”
"The second type is indirect communication.”
"There are two types of indirect communication."
" The first is to use letters, newspapers, and other methods to pass the message through a specific code that has been prepared in advance. This method was very safe, but its reliability could not be guaranteed.”
"So, generally speaking, they use the last method, which is dead mailbox.”
" Usually, a 'dead mailbox' is set up at a specific location. The mole will put the information into the dead mailbox, and then the carrier pigeon will retrieve it. And that was another problem.”
"That is, if the mole doesn't know the identity of the carrier pigeon, he won't be able to inform the carrier pigeon in time. Therefore, under such circumstances, the carrier pigeon had to go to the dead mailbox frequently to check if the mole had sent any information.”
Intelligence was instantaneous.
It was also possible that the information he obtained was outdated and of no value.
"But because this method is too frequent, they usually need a cover identity to make their behavior normal.”
"Of course, what I said is the most basic. After all, the Japanese spies are more experienced than us, so it's not surprising that they have developed some new methods based on these foundations.”
"For example, the radio station. This was because the communication between the mole and the carrier pigeon would not use this method. This was usually used when the carrier pigeon reported information to the intelligence headquarters.”
"In other words, Liu Yongfeng often goes to the brothel to get the information left by the mole?”
Sun Chengwu listened to Zhou Weiguo's analysis and nodded.
Although he had learned this in the special training class, it was not as detailed as Zhou Weiguo's explanation.
He had heard that this team leader was still a student. Where did he get such rich experience?
"That's right, we can't rule out this possibility.”
Zhou Weiguo nodded and said," This Liu Yongfeng, does he order the same prostitute every time?”
"Indeed."
Sun Chengwu nodded. He raised his head abruptly and said in horror," There's something wrong with that prostitute too?”
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