National Forensic Doctor

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"Liu Chu, time is urgent. I have dispatched two brigades here, and there are also more than 20 policemen and auxiliary policemen from several police stations in our urban area. You can use them first. By the afternoon, I should be able to do more Call out a few teams," Wang Sheng, the captain of the Meiyang City Criminal Police Detachment, explained to Liu Jinghui softly.

Liu Jinghui said quickly: "That's enough, it's far beyond my requirements."

Liu Jinghui was sensible and knew that Wang Sheng's suggestion of transferring a few more teams was purely polite. Of course, if he wanted to be shameless, Wang Sheng would definitely find a way for Jiang Yuan's sake. But Liu Jinghui, a self-deprecating knight, must not cheat the dragon like this.

If the two brigades of the Meiyang City Criminal Police Detachment were full, they could have more than fifty people, but this is obviously impossible. Even the Criminal Police Detachment itself cannot enjoy such treatment.

Therefore, Liu Jinghui estimated that it would be good if he could get more than twenty people.

There are always some cases to be handled, and it is impossible to put down all the work in hand and accompany Jiang Yuan's dedicated case team to catch fugitives.

Today's police force is always short of personnel. Whether it is criminal police or policemen at the police station, there is no such thing as completing one case and then working on another case. Everyone is operating multiple cases at the same time, progressing in parallel, or it is called "multiple cases". Thread handling the case.”

Therefore, the word "special" in the task force is very powerful, because it means that multiple police officers are dedicated to investigating a case. However, this is just like earmarking funds for special purposes, in principle.

The Meiyang City Criminal Police Detachment definitely doesn't have enough manpower. Jiang Yuan and others arrived suddenly. The Meiyang City Criminal Police Detachment did not receive the news in advance. Naturally, the local criminals in Meiyang City were not too sensible. Those who should commit crimes would still commit crimes.

Jiang Yuan also expressed his gratitude and said: "Ren Kuangshan has worked and lived in Meiyang City for a long time and has a lot of connections to draw on. If we have more manpower, we can investigate faster. We You're welcome.

The reason why Jiang Yuanhui came to Meiyang City with a special team for backlogged cases was not only because Ren Kuangshan was familiar with Meiyang City, but also because based on the motorcycle driving 300 to 400 kilometers per day, it is located 1200 kilometers northeast of Changyang City. Meiyang City, which is kilometers away, is a very reasonable supply point for Ren Kuangshan.

Driving a motorcycle for three days in a row is very tiring. Even if it is an ADV, it is better to drive on a high speed. You will have to drive on non-paved roads, you may even have to go on dirt mountain roads or even off-road. In addition, you have to camp in a tent in the wild, and you have to eat. Coupled with defecation in the wild and nervousness, etc., according to Liu Jinghui's analysis, Ren Kuangshan would reach his limit if he persisted for three or four days.

Assuming that Ren Kuangshan knows a little bit about counter-reconnaissance—at present, he most likely knows a little about counter-reconnaissance—then after 72 hours of escape, Ren Kuangshan should relax a little more.

At this time, even if he does not actively choose a place to rest or repair, his body will send out many signals to make him passively choose to repair.

For example, colds, diarrhea or constipation, or back pain. Considering that Ren Kuangshan still has cancer and is a middle-aged man who has been sedentary for a long time, it is very difficult to persist in the wild for a long time.

Based on this calculation, it is possible that Ren Kuangshan will come to Meiyang City today and tomorrow.

Of course, if he has amazing perseverance or is in great physical condition, and can persist for two more days, it is possible for Bremen to win.

Chasing and escaping is like finding a needle in a haystack, and what Liu Jinghui pursues is not 100% accurate.

But in any case, it is still very necessary to check Ren Kuangshan's old relationships in Meiyang City, as well as the routes in and out of the city, etc.

If Liu Jinghui wanted to lead the investigation, he would naturally need to be accompanied by the police from Meiyang City. The kind of action in which police officers from out of town carry out local arrests secretly, without notifying them in advance or afterwards, violates the tacit understanding between the criminal police and can easily be misunderstood as kidnapping, which is tantamount to ocean fishing.

However, Wang Sheng's level of support is only because of Jiang Yuan. The criminal policemen of the same task force, including Ge Zhibing and others who were investigating in the southwest direction, laughed secretly when they could get the support of three or five local police officers.

Wang Sheng was happy as long as Jiang Yuan was happy. Hearing Jiang Yuan say "thank you", he said cheerfully: "Captain Jiang, if you have any needs, just tell us. The secretary also said yesterday that all people from Meiyang City People, you can do whatever you want."

"That's enough." Jiang Yuan said, then stood up and said, "Liu Chu is here to direct the visit. I have made an appointment with Team Jin from the Pictorial Reconnaissance Detachment to go there."

"Lao Jin has something." Wang Sheng hummed twice. He is from the criminal police detachment, and he and the picture detective are two different types of police. We cooperate when there are major cases, but we usually do our own thing.

Jiang Yuan and Liu Jinghui looked at each other and set off separately.

After three days of unsuccessful pursuit, many people were about to explode. Jiang Yuan and others did not dare to delay, and they all took the time to do things.

Jiang Yuan came to the Scout Brigade to watch the surveillance video.

The task force confirmed Ren Kuangshan’s identity on the second day after the incident. Therefore, on the day of the incident, Jiang Yuan was unable to conduct monitoring and comparison.

At that time, everyone was looking for cars and motorcycles.

After obtaining relevant information about Ren Kuangshan, especially the recent videos of Ren Kuangshan under other surveillance, Jiang Yuan had images for comparison.

From yesterday to today, Jiang Yuan has been reviewing Ren Kuangshan's information, and then watching the surveillance videos sent by all parties.

Here, he not only wants to watch in his own direction, but the task forces in other directions will also send Gu Lai to Jiang Yuan to watch if they have more important video materials. Jiang Yuan naturally needs to watch it.

So far, this "Academician Murder Case" has a total of two major goals. The first is to investigate and arrest the mastermind behind the scenes, and the second is to track down the direct murderer Ren Kuangshan who fled.

Even if Jiang Yuan and Liu Jinghui believe that the murderer has a high probability of fleeing to the Northeast, there are too many variables in solving the case. Maybe if the murderer's brain twitches, the police in other directions will discover it.

Jiang Yuan mainly wanted to investigate the equipment. He brings a laptop with him when he goes out. Just using it to watch video surveillance is too inefficient.

Jiang Yuan took Huang Qiangmin in a Jing A Passat and quickly entered the picture detective's yard.

Jin Jun, the captain of the second brigade of the Meiyang City Pictorial Reconnaissance Detachment, immediately called out to his own detachment captain, who then called out a few more people and came down to greet them.

Jiang Yuan quickly threw out Huang Qiangmin and said: "I'm going to check the surveillance directly. Please send someone with strong skills to help me use the equipment."

"No problem!" Jin Jun also left his detachment leader behind, took Jiang Yuan to the elevator, and said: "Our equipment is relatively old, Captain Jiang, don't dislike it -

"Where is it?" Jiang Yuan stayed polite for two minutes.

When Jiang Yuan entered the picture scout's command room, he immediately got a wall of screens.

"Captain Jiang, where are you looking?" Wang Chuanxing was responsible for delivering the message in the middle.

Jiang Yuan thought about it on the way, and said: "Gas station! Keep looking at the gas stations, he will always have to refuel. How many gas stations are there left that he has not checked?"

"That's too much." Wang Chuanxing shook his head slightly.

"You can find a few people to roughly classify them and see which gas stations have a higher probability of Ren Kuangshan appearing. Based on the factors we mentioned before such as distance, time, location selection, and whether you can refuel motorcycles. You first use These standards have been divided. I will look at each gas station one by one." Jiang Yuan looked on both sides and saw that the Jins Army had also prepared more than 20 people, who should be all members of his brigade.

No need to be polite at this time, Jiang Yuan immediately arranged the work for them.

When it comes to video surveillance, no number of people is enough, because you can watch in very detail or over a long range, it just depends on how the host arranges it.

It's like the task force in Changyang City has begun to organize a local map search to search for relevant videos of Ren Kuangshan after he learned that he had cancer. They are actually trying to find out who is in contact with him.

Jiang Yuan couldn't care about such far-off matters, he just focused on pursuing Kuang Shan.

Theoretically, if Ren Kuangshan can be caught alive, his contact with the line, etc., will at least have a more specific scope.

This kind of thing is very difficult in a pure remote mode. There is too much trust between both parties that needs to be established.

Wang Chuanxing responded and began to assign tasks to people.

Soon, the Second Brigade of the Meiyang City Pictorial Reconnaissance Detachment started moving.

Jiang Yuan continued to announce tasks, Wang Chuanxing decomposed tasks, and the policemen of the Second Picture Detective Brigade continued to complete tasks.

From time to time, other policemen from the photo investigation team would come over to see Jiang Yuan, or wander around to look around.

The policemen from other brigades of the graphic reconnaissance detachment still had their own work and tasks, but they were too curious about Jiang Yuan. Considering the issue of confidentiality, no one dared to come over and look at Jiang Yuan's screen, or even It's hard to say hello to Jiang Yuan, but just looking at him can satisfy many people.

Jiang Yuan also watched for two hours at a stretch, then got up and started walking slowly, drinking some tea, thinking about it, and stretching his muscles.

"Captain Jiang!"

"Captain Jiang, do you want to take a look at this?"

"Director Jiang, let me show you something interesting."

The police officers in the command room greeted Jiang Yuan one after another.

Police officers are the type who can do it when needed, regardless of whether they are gay or not.

At the same time, no one in the police force has any difficult and unsolved cases, so when they saw Jiang Yuan coming, they all seemed to have seen a ginseng fruit. They were also afraid that Jiang Yuan would evade suspicion, so they had to take the initiative to invite. The invitation was limited to policies and regulations, and the invitation method was limited to the king of the daughter country to the white-bone demon.

"Look back, look back -" Jiang Yuan greeted with a smile, without even looking at the screen warning them.

The detective work was too slow, and he didn't have time to take care of other people's cases at the moment.

After wandering around and thinking for more than ten minutes, Jiang Yuan returned to his original position, waved to Wang Chuanxing, and said, "What we just watched were the surveillance videos of the gas station from yesterday?"

"yes."

"I didn't see Ren Kuangshan and his motorcycle."

Wang Chuanxing took it for granted and said with a smile: "It has been three days. It is difficult to judge his specific refueling time."

"Judging from the video surveillance on the first day, there should be some traces." Jiang Yuan was talking about the surveillance points on the road. With the current intensity of surveillance in the country, it is impossible to completely escape vehicle jams and drive out of the city or province, and it is also difficult to ride a motorcycle.

In fact, with the deepening of the investigation over the past two days, Ren Kuangshan's videos on the first and second days have gradually been discovered many times, but they have been separated for a long time and are of little use.

Wang Chuanxing somewhat understood what Jiang Yuan meant and asked, "Do you suspect that the murderer did not ride a motorcycle?"

"It's a bit surprising that no trace of him was found at all." Jiang Yuan paused: "Of course, he may have chosen a strange time and route. As long as he is found once, the rest of the traces will be confirmed, well - """-You ask the task force, did they report any findings today and yesterday? "

"Yes." Wang Chuanxing immediately responded, and then asked: "Then do we still watch the surveillance?

D

Jiang Yuan thought for a moment and said, "Where did Ren Kuangshan refuel on the first day? It's not confirmed yet, right?'

"No." Wang Chuanxing shook his head: "Someone from the task force explained that maybe he brought gasoline with him in advance, or buried it somewhere early, and then went to refuel by himself."

"That's also a possibility." Jiang Yuan didn't deny it, but said, "Whether he rode or not, if he wanted to leave Changyang City, the easiest time to find him was still on the first day. Waiting until the second day would be too far away."

Jiang Yuan paused and said, "The investigation was too hasty that day, so we still have to look back. ”

The stage with the richest information and the most valuable information is also the first day. The so-called golden 24 hours refers not only to the investigation within these 24 hours, but also to the value of evidence at this time.

There are too many gas stations around a city, plus various vehicle checkpoints, or other surveillance videos. It is impossible to watch all the surveillance on the day of the incident. Time does not allow.

Even if it is a gas station limited to one direction, it is impossible for Jiang Yuan to watch the surveillance for the whole day. It is a common sense that does not need to be explained. If a single person watches the surveillance video on a single screen without fast playback, one person can only watch one surveillance per day.

If you want to add a screen or speed up, there will inevitably be the possibility of neglect.

Therefore, most of the cases related to image detection hope that the time and place are as accurate as possible. With accurate time and place, it may only take more than ten minutes to solve a case related to image detection, and it is called It often takes 2,000 hours of work to investigate a difficult case.

Jiang Yuan opened a temporary +1 and started to analyze the trajectory on the computer map.

The three-day investigation was not fruitless. Later, surveillance videos of Ren Kuangshan were found at some road checkpoints.

It was a bit surprising that Ren Kuangshan was not found at any nearby gas station.

Some people speculated that Ren Kuangshan had prepared gasoline in advance, which was not without reason.

However, from the perspective of the murderer, the flexibility of doing so was too poor, which was equivalent to arriving at a certain location and digging. Gasoline is still volatile to a certain extent, and it is not good to buy it too early, and there are restrictions on buying it. ——

Jiang Yuan thought while watching the video.

At this time, in a wide-angle video, Jiang Yuan saw a figure walking quickly from the edge.

"Here, replay. "Jiang Yuan called out immediately.

The photo detective police officer next to him quickly turned the button counterclockwise, and saw the person on the screen also retreating.

The person on the screen could not see his face, or even his head. He just passed the edge of the wide-angle lens, and the figure was a little distorted.

Jiang Yuan said without hesitation: "It's him, find all the other videos of this gas station!"

He watched the video to see the gait, and there was no need to see the face.