At this moment, the air is filled with the smell of cow dung, and everything around it looks extremely strange.

The central location of Hejiang Village is clean and tidy, and many families have even opened farmhouses, so cow dung, which is very characteristic of the countryside, does not exist at all.

But this old house in the northeast corner is different, it seems to be a cowshed not far away, everyone has searched Hejiang Village before, but most of them are mainly visiting residents, and they have not noticed this old house.

In addition, there are trees between Hejiang Village and the old house, so it looks more like an abandoned old house.

"No wonder. Gu Chen couldn't help muttering.

Lu Weiwei was stunned: "Senior Brother Gu, what's the wonder?"

"No wonder the police dogs sniffed around Hejiang Village and stopped searching, because the smell of cow dung here interrupted the police dogs' sniffing. ”

"So that's the case?" Listening to Gu Chen's explanation, it seemed that he had also said it in the past.

The police dog had searched so far before, and indeed stopped sniffing further.

But at first, everyone thought that Liu Wenjing left in other vehicles.

But then everyone checked the day of Liu Wenjing's disappearance, the entrance to and from Gaoqiao National Forest Park was monitored, and every vehicle entering and leaving was investigated, and no trace of Liu Wenjing was found.

Therefore, the argument of leaving by other vehicles is untenable.

But the chubby man suddenly reported his brother, which still surprised everyone.

But then the police dog stopped searching.

The smell is clearly masked by the smell of cow dung.

"Shouldn't Liu Wenjing be in the old mansion?" Xu Sitong's eyes narrowed, feeling that something must be wrong.

Gu Chen didn't hesitate, and said directly: "Just go in and take a look." ”

As everyone began to surround the old mansion, Gu Chen led the police dog and came to the door of the old mansion first.

Since it is an old house, the gate is only stuck with iron pillars and is not locked.

Therefore, Gu Chen easily pulled the iron bolt open and pushed the door open.

An old rural house like this doesn't need any door locks at all, and there are no valuables in it.

What's more, according to the fat man's words, this is just a temporary resting place for the brothers to work here.

Gu Chen stood at the door and looked left and right, and found that the house was in a mess, in addition to an old wooden bed, there were some daily necessities.

Turning his head to look at the fat man, Gu Chen asked him, "Can I go in and search?"

"Yes, this old house is for the people of the village to put sundries, and there are no valuables. The fat man said.

Gu Chen nodded and stepped directly over the threshold.

The dog was then unchained.

The police dog immediately rushed forward and sniffed around the corner.

Due to the dim light, everyone even turned on the flashlight and searched the shadowy places.

It looks weird here.

The dilapidated old mansion and the wooden beams are filled with the smell of decay.

However, it can be seen that the old houses have been restored and reinforced, which ensures the integrity of the building to a certain extent.

But during the search, the search and rescue police dog smelled the smell and suddenly barked at a closet dog.

This movement attracted everyone's attention.

Gu Chen immediately walked to the closet and gently opened the closet.

At this time, the police dog was still barking wildly, and seemed to be extra vigilant against sensitive objects.

Gu Chen then took out a flashlight and shone it into the closet.

With the blessing of his master-level observation, he suddenly found traces similar to blood stains around the closet.

Gu Chen immediately took out some clean tissues, extracted the blood object that had been coagulated, and then carefully put it into the evidence bag.

After completing this operation, Xu Sitong asked, "What kind of blood is this?"

"I don't know, but I'd better leave it to your technical department to test. Gu Chen said.

Xu Sitong immediately agreed: "This is no problem, just leave it to me." ”

Taking the coagulated liquid suspected of blood extracted by Gu Chen, Xu Sitong looked left and right, and continued to observe other corners.

And Gu Chen opened all the closet doors at once, and didn't let go of every corner of the room.

Since the coagulated object extracted from the closet cannot be judged whether it is human blood for the time being, it is impossible to determine whether it is Liu Wenjing's blood.

In the vicinity of the entire old mansion, after searching inside and out for a long time, Gu Chen did not find any suspicious clues.

At this moment, the police dog seemed to be somewhere in the house and found some suspicious clues.

The police dog kept digging the plank with its front feet, making a "boom" sound in its mouth.

Gu Chen noticed this, pushed the police dog aside, and squatted down and knocked on the floor a few times.

"Empty?" Gu Chen looked up at everyone.

Lu Weiwei hurriedly turned her eyes to the fat man and asked him, "Is there a basement here?"

"Yes...... Yes. The fat man nodded, acquiescing.

Gu Chen then also discovered the location of the gaps in the wooden planks, which were obviously different from other floors.

But there are no handles on this floor, so it can't be pried open with bare hands.

Gu Chen simply took out the police dagger from his belt equipment, stuck the tip of the knife in the side corner of the plank, and then gently picked it up.

The plank then creaked and was half-pried out.

Lu Weiwei grabbed the edge of the wooden board with her bare hands, and worked with Gu Chen to turn the wooden board open.

At this moment, a hollow and dim basement suddenly appeared in front of everyone.

Seeing this scene, everyone's hearts were excited and worried.

This is something that often appears in TV dramas.

Now that Liu Wenjing is missing, everyone has been tracking it here, and it seems that according to normal logic, maybe Liu Wenjing was killed by someone and hid in this secret passage.

Ninety percent of all the people here have this inner thought.

Xu Sitong couldn't help but chuckle in his heart, pointed to the entrance of the secret passage and said, "I want to ...... Would you like to go down and have a look?"

"Of course. Gu Chen said.

"Then I'll go. "Zhang Kai feels that he is a little transparent here, and with the opportunity to perform this way, he naturally will not miss the opportunity.

So he took a flashlight and shone it around the entrance of the secret room, and found that there was no major problem, so he asked, "Is there a ladder here?"

"Yes. Next to Yuan Shasha was a small wooden ladder, so she hurriedly moved to Zhang Kai.

Zhang Kai didn't say a word, he put down the wooden ladder directly, and he was about to climb down with a flashlight.

But at this moment, Zhang Kai was suddenly grabbed by Gu Chen.

"You're going on like this?" Gu Chen asked.

Zhang Kai was a little dazed: "Otherwise?"

"If you go on like this, you'll probably never get up again, so come up first. Gu Chen pulled Zhang Kai up and organized Zhang Kai to climb down the stairs.

Zhang Kai was also speechless: "It's nothing down here, I saw it with a flashlight just now." ”

"Not the problem. Feeling that Zhang Kai didn't understand what he meant, Gu Chen hurriedly explained: "This kind of rural cellar, due to the long-term density, the oxygen in the cellar will react with the plants inside to generate exhaust gas, if you don't use it for a long time, it is likely to cause you to suffocate to death." ”

After hearing Gu Chen's words, Zhang Kai suddenly realized.

I also knew it, but just now in order to be the first to go down, I forgot about it for a while.

Fortunately, there was Gu Chen's reminder just now, otherwise if there was really the situation that Gu Chen said, then he would not die on the spot in a minute?

Thinking about this, Zhang Kai just gasped: "Fortunately, you have Captain Gu to remind you, otherwise I would be too hasty." ”

"What should I do then?" someone in the crowd asked curiously.

Gu Chen turned around and explained to everyone: "Before going down, you must check whether there is any hidden danger of collapse around you, and you must ventilate before going down." ”

"Then use the ignition test to test the oxygen density inside, but at this time, it is necessary to prevent combustible gas in it, and prepare for fire prevention at any time. ”

"After all, due to the respiration of plants, carbon dioxide gas is constantly accumulating in the cellar, and if the concentration is too high, it will directly threaten the safety of people. ”

"So in order to test the concentration of carbon dioxide, we usually have to bring the lit candle to the cellar.

"If the candle goes out, the carbon dioxide concentration is too high, and if the candle is not out, the concentration is not high. ”

"So that's it?"

Hearing Gu Chen's words, many volunteers gathered around nodded frequently, this is middle school physics knowledge, but many people don't pay attention to it in life.

It can be seen that Gu Chen still noticed this, and did not let Zhang Kai go down hastily.

At this time, Gu Chen said: "In addition, I need portable oxygen, as well as a safety rope, and after ventilation, I can enter the cellar after testing." ”

"In the event of an emergency, the safety rope can pull the person down the cellar up to ensure that nothing goes wrong. ”

"Is it so responsible? Isn't it just a cellar?" The photographer who was previously instigated by Officer Wang was standing in the crowd at this moment.

Officer Wang glanced at him, pointed to the entrance of the cellar and said, "Why don't you come?"

"I ...... I'd better forget it. Seeing Officer Wang's glare, the man with glasses suddenly stepped back.

Xu Sitong said: "It doesn't matter, the Blue Sky Rescue Team has these things in their cars, what portable oxygen, and safety ropes or something, I'll get it." ”

"Okay. Gu Chen acquiesced.

It didn't take long for Xu Sitong to bring all these items back to the old house.

After conducting various tests, Zhang Kai went down to the cellar with portable oxygen on his back and used a strong flashlight to search all corners of the cellar.

After a moment, Gu Chen asked, "How?"

Zhang Kai shook his head: "Except for some rotten vegetables, there are no other finds." ”

"Then you wait. Gu Chen's voice fell, he tied another safety rope to himself, hugged the police dog, and walked down the cellar cautiously.

Thanks to the help of police dogs, everyone suddenly got twice the result with half the effort.

Police dogs kept moving around the cellar, trying to sniff out suspicious clues.

But at this moment, the police dog barked at the bottom of the cellar again.

Everyone looked at each other, feeling inexplicable.

"Is there something under this cellar?" Zhang Kai was puzzled.

And Lu Weiwei on the top of the cellar said: "I remember Xiong Tao, the leader of the blue sky rescue team, said that this police dog is particularly sensitive to corpse gas, could it be that there are still things buried under the cellar?"

"There's something buried under the cellar?"

As soon as she heard Lu Weiwei's words, the scene suddenly boiled.

Everyone shuddered, and felt that this was too weird, right?

If it involves murder and burial of corpses, then there may be such a possibility.

But once this situation happens to everyone, everyone still doesn't want to believe it in their hearts.

Gu Chen looked at his feet, and suddenly his eyes lit up.

He looked up at Xu Sitong and said, "Officer Xu, I remember that this time the Blue Sky Rescue Team and the police team also transferred a ground penetrating radar, right?"

"Do you know this?" Hearing Gu Chen's words, Xu Sitong couldn't help but be stunned.

It was the first time I'd seen it myself, and it was indeed in a police car on the side of the road.

But Gu Chen could remember this kind of equipment, which showed that Gu Chen still knew something about it.

A cadet asked weakly, "Captain Gu, what the hell is GPR?"

"Ground penetrating radar?" Gu Chen grinned, and also explained seriously: "Ground penetrating radar...... It is to use the antenna to transmit and receive high magnetic waves to detect the material characteristics and distribution laws in the medium. ”

At present, it is mainly used in archaeology, mineral exploration, disaster geological survey and other fields. ”

"So what?" I feel that this ground penetrating radar still has this effect, and the young cadet policeman, who usually hasn't had much contact with this thing, is also curious at this time.

Gu Chen continued to explain: "For example, whether there is anything in the ground, whether it seeps water or not, whether the soil has been excavated, etc., can actually be detected. ”

"Then who will use ground penetrating radar?" Xu Sitong asked as he bowed and stood up.

"Me. A second-class superintendent reportedly said: "I used this thing, and I brought it with me." ”

"Okay, you go and assist Gu Chen and them. Xu Sitong said.

With everyone's unremitting efforts, the GPR was finally moved to the cellar.

After commissioning, the GPR also began to work.

After some careful operation, the second-level superintendent raised his head and said to Gu Chen according to the various supports provided by the data: "The ground penetrating radar shows that there are traces of this underground being turned over. ”

"Are you sure?" asked Gu Chen.

Superintendent II nodded: "Because it's no problem." ”

Gu Chen looked up at the exit of the cellar and said, "Officer Xu, can you get some digging tools?" Send a few more people down." ”

"No problem, you wait for me. Xu Sitong received Gu Chen's request, and immediately deployed it above.

It didn't take long for the four volunteers to go to the cellar with tools and follow Gu Chen to start digging the entire cellar.

In order not to affect the work, Officer Wang, Lu Weiwei and Yuan Shasha, also stopped the others outside, so that there was enough space at the entrance of the cellar.

So with the coordination and cooperation, everyone dug the cellar underground more than one meter deep, and after forty minutes of fine operation.

Zhang Kai suddenly stopped moving, looked down, and immediately beckoned: "Come and take a look." ”

"Discovery?" several volunteers gathered around.

Gu Chen stood behind and waited for a reply.

However, after a few seconds, everyone covered their noses and stepped back.

Gu Chen asked, "What's going on?"

"There are animal remains. A volunteer said.

Another volunteer also complained: "It's disgusting to bury animal carcasses in this place. ”

Gu Chen asked again: "Did the ground penetrating radar only find traces of turning in this place?"

The second superintendent operating the ground-penetrating radar nodded, "That's right, only this site has traces of turning, but now it seems that it is just the carcasses of some animals." ”

"That is, there is no trace of Liu Wenjing's body. It felt futile again, and Gu Chen was also slightly disappointed.

But everyone's operation is still quite professional, which is worthy of recognition.

Eliminate all impossibilities, or at least narrow down the search.

Gu Chen smiled lightly and said, "Let's all go up." ”

"Alas. ”

Hearing Gu Chen's words, everyone climbed the wooden ladder in an orderly manner.

It's a shame to stay in the cellar and work in it.

After Lu Weiwei pulled Gu Chen, who came out last, onto the floor, she also said with a wry smile: "Maybe we got the wrong direction, but at least we can go to Dongjiang Village to have a look." ”

"That's fine. Gu Chen glanced at the fat man and said, "Dongjiang Village, where does your brother live?"

"Yes. The fat man didn't hesitate, and agreed directly.

This also made Gu Chen look at him with admiration.

After all, it takes enough courage and responsibility to report your brother.

But this fat man, apparently, did a good job.

While everyone rushed to Dongjiang Village, Xu Sitong also asked his colleagues to send the bloodstains found by Gu Chen in the closet before to the Technical Department of the Municipal Bureau for testing.

Coupled with the other people who are searching in the mountains of Gaoqiao National Forest Park, it can be described as a general mobilization.

The scale of this search is rare in the entire Xiping City.

It can be seen that after the media exposed the situation, the chain reaction caused was still very large.

On the one hand, the police are eager to find Liu Wenjing's whereabouts as soon as possible, while the melon-eating masses are happy to pay attention to this matter.

......

......

Dongjiang Village.

When Gu Chen and his party arrived in a few police cars, many villagers walked to the side of the road.

Especially when he saw the fat man walking into the village with the police, an old man who was also chubby suddenly hesitated.

She stepped forward and asked Gu Chen, who was in the lead, "Comrade policeman, who are you?"

"This Mr. Zhao reported that his brother killed the missing girl, Liu Wenjing, and we are here to investigate the matter. ”

"What? was my youngest son who killed the missing girl?" When the old lady heard Gu Chen's words, she immediately became angry, pointed at the chubby man, and immediately scolded in her local dialect.

Gu Chen didn't understand the Xiping dialect very well, but it could be seen from the old lady's expression that she showed the traditional Chinese way of scolding to the fullest.

In an instant, he went up and gave the fat man a slap.

At this moment, everyone was stunned.

It is clear that the old lady intends to defend her youngest son, who is the brother of the fat man.

But no matter how the old man scolded and beaten, the fat man was obviously not in pain, and his face was expressionless and showed disdain.

Gu Chen couldn't stand it anymore, so he directly stopped the old man and said, "Old lady, how can you stop doing it?"

"I don't do it? I don't do it, this guy still has it?" the old lady's voice fell, and she was about to beat the fat man again.

Fortunately, the fat man at this time dodged back and stood behind Gu Chen smartly.

Seeing the old lady stopping at the door, pointing at the fat man and scolding for a while, Lu Weiwei also stepped forward to stop her: "I said old lady, can you please cooperate with our investigation? This is a matter of life and death for a young girl?"

"It's not. The old lady was angry, and also pointed to the fat man and gasped heavily: "Don't believe him, he is trying to cheat the bonus, and he is estimated to be making it up." ”

......