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Dr. Zhai first contacted the trace evidence laboratory to confirm the issue of queue jumping, and then discussed the issue of wear identification with the director of their own forensic science and technology center.

The level of the provincial criminal science center is relatively high, and the annual funding is not small. They have connections with many scientific research institutions.

In fact, the opportunity for criminal science to truly use science is not as much as one might imagine.

In general, crimes such as theft are usually solved by internal institutions, and everyone is definitely too lazy to make it too complicated.

Contacting external institutions has certain rules, but there is no fixed path to follow, and it is really troublesome.

Only in the case of homicide and major cases, will everyone give some face, and then it's good to really proceed. Then it's easier to get the reports and expenses approved by the leaders.

But when it comes down to needing external resources, the domestic scientific research resources are actually very abundant.

There are too many scientific research institutions, and it has long reached the level of "if you can think of it, I can do it."

Things like trace evidence, placed in high-end research institutes in the 70s and 80s, are not new. As for the wear of the snake skin bag, it's a bit difficult for the forensic center to handle, but it's just child's play for the laboratory that can do wear experiments.

And the laboratory that can do wear experiments could be a chemical laboratory, an inorganic materials laboratory, an organic materials laboratory, a metal materials laboratory, a mechanical laboratory, or even a professional friction laboratory, bearing laboratory, powder metallurgy laboratory...

So, when it comes to solving homicide cases in China, the underlying meaning is "no holds barred."

Famous foreign criminal investigation agencies often bring in a few detectives to solve cases, but the support system behind them is nothing more than a few small cats.

The pattern is almost the same for domestic theft and robbery cases, but when it comes to homicide cases, when it really comes down to it, many newly emerged young offenders are facing the domestic scientific research and investigation system, and it's very likely that they are inexperienced young people facing a group of old hands.

However, in this case, it is highly probable that an old hand is responsible, and it's not easy to find a young person here in Zifeng Mountain.

Dr. Zhai had everything discussed and waited until it was time to go to work before calling Xu Taining.

After listening to half of it, Xu Taining interrupted Dr. Zhai and asked, "Where are you? I'll come over."

Dr. Zhai was a little stunned and hurriedly said, "We're at the funeral home in Qinghe City, you don't need to make a special trip."

"I'll be there as soon as possible." Xu Taining didn't bother with him and hung up the phone, then scolded Dr. Zhai for being confused.

He didn't come to Zifeng Town for sightseeing, and the busy work that involved thousands of people was for the purpose of solving the case.

And the experiments conducted by Jiang Yuan and the others, although simple, could really help solve the case.

In this situation, Dr. Zhai actually thought of him...

Xu Taining just thought that Dr. Zhai was getting old and didn't want to directly scold him.

In less than two hours, Xu Taining and his team of two cars drove into the funeral home in Qinghe City.

The curator, Meng Deyuan, hurried out to greet them.

Xu Taining was a bit preoccupied and shook hands for five seconds before saying, "Let's go in first."

Meng Deyuan felt a little disappointed and said to his subordinates, "The temperature is lower than the soul."

"The soul egg?" The subordinate quickly gave a definition and sent it out silently in the group.

Xu Taining didn't care about that much, and wasn't afraid of offending the people of Qinghe City. He went straight to Jiang Yuan and the others, listened to their explanation on the spot, and drew lines on the map.

At this time, Dr. Zhai was a little embarrassed and explained, "Our autopsy is not over yet, and the determination of the source of the body may take some time..."

"The determination of the source of the body is indeed very important," Xu Taining agreed, and added, "You need to hurry up with the work on the source of the body. We'll take a look at the discovery of the body bag first."

Dr. Zhai had been doing technical work for too long, so he had formed a mindset that always felt the need to understand the body completely.

Xu Taining didn't have this habit. In his experience, the window to solve a case is often just that, seize the opportunity and catch the criminal. He doesn't care about the means. For many unsolved cases, most of the methods are actually not feasible, and he will take whatever he can find.

In this regard, Jiang Yuan's thinking is similar.

He is indeed a forensic doctor, but he has accumulated more and more methods in the field of criminal science, and he is less likely to accept the textbook model for solving cases.

Jiang Yuan explained the motorcycle experiment to Xu Taining in detail, and then the young police officer brought by Xu Taining conducted another experiment with Dr. Zhai.

Xu Taining didn't pay much attention to the process of the experiment. Repeating the experiment was just to verify the correct results. During this time, Xu Taining made several phone calls.

"The vehicle used to dump the body came from the north." With Xu Taining's urging, the trace evidence laboratory finally gave him priority.

Several police officers also stopped circling around the motorcycle and Dr. Zhai on the ground, and swarmed around the map.

"In terms of wear, it took at least an hour or more. It also depends on the way the car was driven and the location of the contact," Xu Taining said. "If the car model and placement position are uncertain, it will be difficult for them to determine. With more time, they might be able to provide a more accurate range."

"At least an hour's time, if confirmed, would be a very useful conclusion," said Li Liang, a senior police officer who had also been sent from the provincial department, standing on Xu Taining's side. "An hour's time actually first eliminates Zifeng Mountain and the surrounding towns."

Xu Taining's eyes lit up. "Makes sense."

For a body dumping case near Zifeng Mountain, the biggest and most likely suspects would definitely be in Zifeng Town and near the Zifeng Mountain coal mine.Instead, by increasing the distance, the number of suspects would sharply decrease. At that time, considering their connection with the Zifeng Mountain coal mine would make it easier to identify the suspects.

Jiang Yuan immediately thought of Wang Guoshan.

Wang Guoshan's choice to dump the body in the reservoir was a similar scenario.

He neither worked at the reservoir nor lived nearby, but he was familiar with it. Instead, he chose to drive for over an hour just to dispose of the body in the reservoir.

Another senior police officer from the provincial department, Li Liang, had also completed his logical construction. He drew on the map and said, "I think we can start checking these villages and towns 30 kilometers away from Zifeng Town, prioritizing missing females..."

Forensic Doctor Zhai seemed to finally catch his breath and hurriedly said, "We are also analyzing the source of the bodies..."

"We could start by looking for the jewelry in the photos." Jiang Yuan opened his phone and showed the photos of the jewelry he had taken temporarily. "The place where these pieces of jewelry were found is the same plot of land as the second and third body sources. It's possible they belonged to the victims. I think we can ask the relatives of the missing persons to see if they recognize them."

With Jiang Yuan's ability to sort through trash, he was quite optimistic about tracing the origin of the jewelry.

The way people from different cities and income levels dispose of trash varies.

Don't underestimate the value of small pieces of jewelry; people in Changyang City might throw away a whole set, but residents of Zifeng Town or other nearby small towns wouldn't be so wasteful.

The concept of minimalism, like the one that appeared in Tokyo and became popular in some big cities in China, ultimately comes down to the small size of homes. To live more spaciously, one must own fewer things.

Those with large villas, in order to prevent the rooms from feeling too empty and unsettling, even have to move furniture towards the center of the room. If they also practiced minimalism, they might feel like they're living in a haunted house at night.

Xu Taining and the others didn't need to be educated on these simple concepts and immediately said, "Okay, let's print out the photos of the jewelry and show them to the relatives and neighbors of the missing."

Then, he urged them to continue analyzing the source of the bodies with renewed effort.

Both Forensic Doctor Cheng and Jiang Yuan agreed, though neither seemed very confident.

Forensic anthropology is like solving equations; it can provide simple solutions to certain problems, such as age, race, or height. As long as the skeleton is complete, these answers can be given, albeit with varying degrees of confidence.

However, for some questions, forensic anthropology may not necessarily provide answers. For instance, determining the region of residence, type of occupation, or even lifestyle habits can easily lead to misjudgments or be indeterminable.

From Jiang Yuan's current observations, he wasn't very optimistic about obtaining information on occupation or lifestyle from the bones.

There's not much to say about it; some people work very hard or suffer significant occupational injuries, so even if they die young, their profession or work can be deduced from their bones.

But for others who may have a relaxed job, enjoy slacking off, and show no obvious occupational diseases, or perhaps have none at all, it becomes much more difficult to determine their profession through their bones.

This was also the reason Jiang Yuan recommended using jewelry to identify people.

For Xu Taining, no matter the situation, he had seen it all. As long as there were clues, he could invigorate himself and his subordinates.

At this moment, Xu Taining's work enthusiasm had surged. He shook hands with Jiang Yuan and the others, then hurried back to arrange the work.

The group came and went like a whirlwind, swift in their arrival and departure.

Meanwhile, the motorcycle running circles on the empty ground at a speed of 30 kilometers per hour continued its whirring turns.

Forensic Doctor Niu, sitting on the back seat with his head drooping, had given up struggling and even seemed to have gotten used to the space on the back of the motorcycle, occasionally adjusting his position to make himself a bit more comfortable.

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