On Lin Mo's side, after waiting for a period of time, a call actually came in. After confirming that the call was in the target room, the apartment immediately reported the situation.
On the wiring side, in fact, when they wanted to transfer the apartment number, they had already started to check the outgoing number. After receiving the notification, they also compared the number and found a number, which was the order that Zeng Wenchong had just forwarded to them.
A person who looked like a manager immediately picked up the phone and pulled it out. In a guest room on the other side, Zeng Wenchong picked up the phone. He brought some people from Sha Ruhai's team to support him and was personally responsible for communicating with him.
Human contact and docking.
"No. 27, Area C..." There were several records placed on the table where the phone was placed. After comparing and confirming, Zeng Wenchong held down the phone and spoke to the team members in the room.
After confirming with Zeng Wenchong, the team members immediately ran out of the room and went to the roof of the building. They ran to one side, took out two clothes of different colors and started waving them, transmitting the information to a distant communication node on the roof of a high-rise building.
Area C is No. 27. Number 27 is a certain phone number and the number of the corresponding location. Area C is an area divided into the surrounding area. It is based on several high-rise buildings as nodes. The main purpose is to solve the final problem of information transmission.
one paragraph.
The clothes come in three colors: white, black, and red. White represents the two-digit tens, black represents the single-digit numbers zero to five, and red represents the single-digit numbers six to nine. Zero means to lift it up and not put it down, and one means to put it down quickly.
Once, and so on, six is raised and lowered once again, mainly because I am afraid that too many times of lifting and lowering will lead to incorrect counting.
In fact, this can be considered as simply agreeing on the semaphore by yourself without using colorful flags. One is that there are no preparations, and the other is to minimize attracting the attention of the people around you.
As for why the whistles of Operation Two were not used, there were too many people on the street outside the building, and the noise interfered too much. If the sound is small, it will not travel far, and if it is loud, it will easily attract the attention of people around the place where the sound is made. Currently, this type of information is transmitted
Most of the methods can only be used on the spot.
Getting back to the topic, the high-rise building in Area C that the team members were facing used the telescope to confirm that the team members on the roof had received the correct information. After sending out a feedback signal, they passed the information to several other areas.
The team members of the high-rise building in Area C ran to the other side of the roof and passed the information to the three-person surveillance team on the roof of the shorter building not far away. After confirmation, the other party sent two people downstairs, leaving one person to stare.
At one point, senior team members also passed the information to another surveillance team.
Du Mingsheng was conducting the command in Area B because it was close to the area where the other party made the first two calls. He judged that the probability of the other party coming to this area was high, but unfortunately the other party went to Area C in the other direction.
After receiving the news, Du Mingsheng did not rush to provide support. Instead, he took out a simple map of the surrounding streets. On it were two uneven red lines that intersected to form an X shape.
The upper and lower areas divided by an
One side of the vertical line points to Area B, and the other side points to the far point of Areas A and B. However, the far point is an ordinary residential area, so Du Mingsheng judged that Area B has a higher probability.
The hotel where Zeng Wenchong is staying is located in Area D, close to the intersection. The height view is not the best, but the advantage is that there are telephones in the rooms to facilitate communication with the outside world, and he has connections in the hotel, which can facilitate his activities.
On the simplified diagram, Du Mingsheng connected several places, then drew a central vertical line as the intersection point, and then connected the several places with circles, and finally focused on a place not far away from it.
Du Mingsheng directly led his people to the area he had targeted to set up defenses. As a result, they bumped into Sha Ruhai who was coming from Area A, and the two thought of going together.
Sha Renhai handed over some of the team members he brought to Du Mingsheng to control the command area, and he took the remaining team members and rushed to the road leading to this area in Area C.
The two of them made the right choice. Although the target was still talking to the target after the team members came to target him, they hung up and left shortly after. If Du Ming won, Sha Ruhai and his team came all the way to miss the target.
Sha Ronghai brought two of his men to a single room with a window on the second floor of a restaurant facing the street. They held binoculars and watched the bustling pedestrians at the intersection in the distance.
"The target wears a medium gray peaked cap, a medium gray coat on the upper body, dark gray trousers on the lower body... On his feet is a pair of gray and blue canvas shoes... He is visually over 20 years old, slightly short and stocky... Please report these characteristics to
Officer Du..."
Not long after the target passed the intersection, it was locked by Sha Renhai. Except for the team members following behind, the target's anti-tracking and anti-surveillance actions should not be too obvious in Sha Renhai's eyes. It's not that the target is inferior, it is quite satisfactory.
Right! But this level is not enough in the eyes of today's Sha Ronghai.
"Go down and bring up the people who are following you. They won't have to continue after following here..."
Sha Ronghai assigned the remaining team member, not because the team member he was following was exposed. From Sha Ronghai's perspective, the opponent's anti-tracking and anti-surveillance actions were nothing more than habit or caution, or even just a process.
Standard behavior and no signs of being followed behind.
What Sha Ruhai was defending was the area controlled by Du Mingsheng behind him. Just like his perspective at the moment, an outsider's vision is often easier to detect something than an insider.
…
On the one team and one group, after collecting and monitoring various situations in the hospital, a large amount of information was gathered at the command point. However, many people were blinded by this information. The information was as messy as a ball of yarn.
Can't even figure it out.
However, Liu Zhenshan looked at the picture in his hand and fell into deep thought. He listed all the personnel information in the feedback information, and then marked the relationships between them.
Back and forth, he made a total of twenty or thirty copies, and finally managed to mark out a relatively clear character relationship diagram. However, the feedback lacked some key information that was deeply hidden, and the diagram still gave people a sense of fragmentation.
I feel that some places cannot be connected in series.
Like dead mailboxes for transmitting information, they found two more places, all surrounding the hut, and used them to find three more targets. Two were junior officers, one was engaged in clerical work at the headquarters, and the other was a subordinate of the city defense.
There is a deputy officer in the unit, and there is also a person who takes the information, and is an employee responsible for sweeping and cleaning the latrine and surrounding areas.
The employee is a lonely old man in his late fifties, who is still in good health. According to the information learned, one of his sons was captured as a soldier and later worked as a transport squad leader in the city defense logistics. During the last transportation, the ship capsized and a logistics worker was rescued.
The officer later died.
His hometown was also hit by the disaster, and the old man's other children and wife died one after another. He later found his son and went to Nanjing. The officer who was rescued arranged for him to go to the military hospital and do odd jobs to make a living. However, the officer soon died of illness and the old man was taken to Nanjing.
He does the dirtiest work in the hospital, but Liu Zhenshan is currently skeptical of his identity information.
After the old man took the information, he handed it over to the pharmacist. The pharmacist was indeed involved in the case, but according to the surveillance personnel's report, he had no other suspicious encounters or interactions with the old man.
However, the old man was able to retrieve the information within a short time after the other party placed it. The inference that the other party sent the signal through admission and medical records was once doubted. However, after careful verification, it was found that the old man's workload was not low and he could not move around the work area for a long time.
The latrines needed to be cleaned in a timely and frequent manner, and there were many chores in the hospital that he had to help with. When a target was delivering information, the other party was not in the hospital transporting garbage.
And it is unable to access those admission and medical records, which shows that there is at least one uncontrolled link in the hospital that is receiving and sending signals to retrieve the information.
After the pharmacist collects the information, he passes it to the officer guarding the drug warehouse, who will pass the information to the drug dealer himself or through the help of others.
The situation found so far seems to be centered around the pharmacist, but Liu Zhenshan always feels a little strange when looking at the relationship diagram.
Regarding this situation, the team leader had some doubts about his previous judgment and wondered whether there were any errors or omissions in the previous investigation of the pharmacist. Now he is conducting a more in-depth investigation around the pharmacist.
"...Team Liu, I went into the hospital and observed the pharmacist carefully for a while, and asked about some details in detail, and I really discovered some new things."
Zhang Jingmin, who looked listless, immediately became energetic after entering the door. He drank some water to moisten his throat and talked about the discovery.
“…Through questioning several employees who were suspected of being excluded, I learned that the pharmacist usually gave the old man some care and asked him to clean the office and other places, so that he could do less hard work.
When I got this information, I thought that the other party had used this to win over the old man and let the old man do these things for him. However, after observing the pharmacist, I found that he seemed to be a little afraid of the old man. The real situation may be different from what he showed on the surface.
exactly the opposite.
Of course, there may be other emotional and psychological reasons, but what I saw at that time was that the pharmacist glanced at the busy old man and suddenly stopped and turned to another place, with no trace of smile on his face.
After further questioning, I also discovered that pharmacists rarely go to the latrines of the hospital, preferring to go back to the room to use a urinal to solve the problem and then have others clean it up. These situations are also supporting evidence."
After Zhang Jingmin finished speaking, Liu Zhenshan picked up a brush and painted on the paper, and finally placed a brand new relationship diagram in front of Zhang Jingmin, but this time the central figure was the old man.
"...Group Liu...you mean...the intelligence network in the city defense revolves around the old man? He may even be the core and most critical leader of the entire intelligence network?" Zhang Jingmin said in disbelief.
"...The response is quite fast, otherwise what do you think it would be like?" Liu Zhenshan nodded and asked with a relaxed smile.
"I used to think that he was just a Japanese spy with a pure identity. The pharmacist might have been instigated or coerced to be so afraid of him. After all, his disguised identity... is really..."
Liu Zhenshan nodded and said: "I had a vague suspicion that his identity was not simple. After all, for such an old Japanese veteran to still be involved in intelligence, he must be at the level of an old fox. No matter what the reason is, he must be a key player in it.
Role.
But I only thought it was an important and key role. After all, he was personally involved in an important part of the intelligence network, and he still had such an identity. It wasn’t until you mentioned the pharmacist’s reaction to him that I felt that I might have thought wrong.”
After saying that, Liu Zhenshan took the previous relationship diagram, handed it over and continued: "Before, I always felt that something was wrong with this diagram. Now that the old man is in the center, does everything make sense?
The old man connects the various lines of intelligence collection at one end and the channels for intelligence transmission at the other. He is at the key link in the middle, and all intelligence information and orders must pass through his hands. At the same time, he is also in the safest position in this intelligence network."
"The safest?" Zhang Jingmin looked at the relationship diagram carefully and couldn't understand it. Isn't this position the most dangerous?
"...Do you think this location is the most dangerous? In fact, this is just the surface. When we investigate this intelligence network, the initial starting points are nothing more than the two links of secret theft and leakage and the intelligence transmission process. The probability of the hospital being exposed to us from the very beginning
The smallest or even the smallest.
Although there is a direct intersection with secret theft and leaking, we have to follow this line to investigate. What are the chances of locking in an old man who is an employee sweeping the latrine from the beginning? "
Having said this, Liu Zhenshan frowned, called a team member responsible for delivering orders, and arranged for the hospital to temporarily lift the surveillance of the old man, prohibiting inspections and close surveillance of the latrine and nearby areas, and only retaining medium and long-range surveillance of the place for the time being.
Follow-up work.
"Group Liu, what do you mean? If we investigate normally and fail to locate the old man immediately, and then launch control and other operations in that area, it will be easy for him to detect him and the result will be in vain?"
"Yes..." Liu Zhenshan nodded and said: "Once discovered, the other party will definitely stop its activities and enter a deep sleep state, so the investigation can basically stop here. As for whether the other party can discover it, I believe it has this ability.
Fortunately, because the time of our investigation was special and we had many concerns, we acted more cautiously. In addition, the hospital is a relatively closed environment, so we did not act rashly in it.
And because of the development of the situation, more personnel were assigned to the hospital and more 'patients' were welcomed, which greatly covered our actions. In addition, we used various means to mobilize the other party, so we were not discovered in a short period of time.
There is so much available information at your fingertips.
As for the line of information transmission, it is even more difficult to trace it. Let me give you an inference. First of all, the pharmacist, whether it is out of fear or other reasons, has such a big reaction to him.
Let the other party hold it tightly.
I have reason to believe that even if we catch this person, it will be difficult to pry his mouth open immediately. This time is enough time for him to escape countless times. Moreover, there is another link before this person in the hospital that we may not have investigated yet.
If you reach him, the other party may notice it and cut off contact.”