In the end, Yuan Muye asked Xu Li to send the video to his mobile phone, and was going to take it back to Lao Lin and Forging Feng to see......

Before leaving, Yuan Muye also specially introduced Li Chen to Xu Li, saying that this was a cousin from his hometown and would stay in the northern capital for a while...... Xu Li didn't think much about it at the time, just exchanged a few polite words with Li Chen.

The next morning, Yuan Muye showed the video to Forging Feng and Lao Lin, and the two of them couldn't figure out what the situation was for a while, but Lao Lin analyzed that it might be some unknown creature that liked to suck the brain marrow and parasitized the guy's body.

As for the rest of the things, we can only find someone first, and judging from Lao Lin's experience, since that thing has already eaten the brain marrow, it will definitely be eaten again, so if you don't find him as soon as possible, someone will definitely be killed.

That being said, how easy is it to find this person? Due to the blurry image quality of the video, and the fact that the person was wearing a peaked cap on his head, it was impossible to see the person's appearance at all.

In addition, there are several surveillance blind spots in that area, if you deliberately avoid surveillance, it should not be difficult not to be photographed by surveillance...... Moreover, the time of the crime was still more than two o'clock in the morning, so there was not even a single eyewitness to be found.

In the past two days, Xu Li and they have used all the methods they can think of, but they still can't find the slightest clue about the man in black......

For a while, all kinds of rumors spread, making Xu Li a head and two big, and the police were a little overwhelmed by the inquiries from enthusiastic citizens...... In fact, this can't blame people for being cranky, after all, this kind of thing is really scary for ordinary people.

In the end, Xu Li and the others had to think of a way that was not a solution, that is, to organize manpower to patrol at a fixed point at night, and once they found a suspicious person, they immediately came forward to check and register their address and ID number.

But even with such strict precautions, the murder still happened...... This time, the victim was an employee of the company who went home from overtime, and because the location of his rental house was relatively remote, there was no surveillance probe nearby, so this time he did not even shoot a video of the crime.

The body was found by an old man who had risen early to pick up waste, and his death was exactly the same as that of the drunk, who had been sucked dry of his brain. The only difference is that this time the deceased left some strange powder on his body......

After laboratory tests, the police determined that the powder contained silica, iron sulfide, calcium carbonate and other components, commonly known as petrified wood residue.

Petrified wood, also known as wood fossil, is hundreds of millions of years ago trees were buried into the ground for various reasons, in the formation, the chemicals around the trunk such as silica, iron sulfide, calcium carbonate, etc. enter the inside of the tree under the action of groundwater, replacing the original wood composition, while retaining the wooden structure and texture of the tree, the wood fossil formed by petrification, because it contains more silica components, so it is called petrified wood.

After carving, grinding and polishing, petrified wood can be made into a valuable art ornament, which has a certain collection value and is a new favorite in the collection industry in recent years. But the police investigated the second deceased, Wang Haofeng, and found that he had never touched anything like petrified wood in his daily life, so these scraps could only be left by the murderer.

But even with this clue, for Xu Li, it is equivalent to looking for a needle in a haystack, because just a little scrap of petrified wood can't explain anything, and they can't interrogate all the craftsmen who have carved petrified wood, right?!

In the next few days, Yuan Muye accompanied Xu Li to visit several local handicraft workshops, inquiring about some things about petrified wood carving artworks, and wanted to see who among these existing local craftsmen often carved petrified wood ornaments.

But the answer they got was: petrified wood is relatively rare, and the rough stone with a certain artistic value is even rarer, for these craftsmen who love carving, this kind of rough stone is unavoidable, so they encounter such good materials, almost all of them will collect one or two pieces at home, but there are almost no carving petrified wood as the main business......

Sometimes things are like this, although the police have invested a lot of manpower and material resources in the investigation, but if they can't find clues, they can't find clues, even if everyone is anxious to burn their eyebrows, it will be useless.

Fortunately, the forensic doctor soon had new clues, and he found that the deceased Wang Haofeng had a ruptured eardrum before he died, so he re-conducted a second autopsy on the first deceased, and found that the drunk man actually had a slight tear in the eardrum, and the reason why he couldn't find it last time was because he was not as serious as Wang Haofeng's condition, and blood flowed out of the ear canal.

It's a pity that there is only a picture and no sound in that video, so Xu Li and the others can't tell if the drunk man heard any ultra-high audio at that time, and the second deceased, Wang Haofeng, doesn't even have a surveillance video, so it's even more impossible to know.

Now what Xu Li and they are most afraid of is that there will be a third or fourth victim, and when the time comes, in addition to proving their police incompetence, they will also have to bear groundless accusations from all walks of life......

Yuan Muye couldn't do anything about this, after all, there were too many unsolvable things in this world, and he could only persuade Xu Li not to worry, if he had his own place to squeak, he would definitely do his best to help.

That night, Yuan Muye was just about to get off work, but suddenly received a strange phone call, and when he picked it up, he heard that it was Meng Shuyuan, the captain of Geng Zhi who had participated in the rescue before...... This was a bit beyond Yuan Muye's expectations, he didn't understand what Captain Meng, who only had a one-sided relationship, could do to find him?

Meng Shuyuan was a little hesitant on the phone, as if there was something hidden that was inconvenient to be direct on the phone, so Yuan Muye asked him to a teahouse. After the two met, Yuan Muye said straight to the point, "Captain Meng, did you come out with me to meet this time?" ”

Meng Shuyuan said hesitantly after hearing this, "Xiao Yuan, I know it's really presumptuous to come to you suddenly, but I really have no choice before I thought of asking you for help." ”

Yuan Muye had seen Meng Shuyuan's temper before, and knew that he was a straightforward person, and now he must have encountered something difficult that could not be solved by such hesitation, so he said with a smile, "Captain Meng has something to say, if it is within the scope of the junior brother's ability, I can help you think of a way." ”

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