Mo Yan nodded and said, "The evidence must be... Captain Xu, you are a professional. Based on the brake marks at the scene, I think it is not difficult for you to determine the model of the vehicle that caused the accident, right?"

Captain Xu said: "This is not difficult. Judging from the traces left on the scene, it should be a truck with a certified load of about eight tons."

Mo Yan nodded and said, "I think so too... In addition, I noticed just now that the part of the white car in the rice field that was hit by the front of the white car in the rice field had blue paint. Although it was not very conspicuous, it did exist. I believe that when the on-site investigation is completed, there will definitely be such a record in the investigation report."

After a slight pause, he continued, "So, we can be sure that the vehicle involved in the accident was a blue truck. As for why I concluded that the vehicle was loading a pig, there are two reasons. First, my nose is very flexible, and even now, I can still smell a strong fishy smell here. Everyone should have encountered a vehicle carrying a pig when driving, right? The fishy smell is extremely choking. I think anyone who has smelled it will probably not forget this strange smell."

After hearing what he said, everyone subconsciously sniffed.

Chief Luo sniffed his nose and said, "Xiao Mo, why can't I smell the fishy smell you said?"

Mo Yan smiled and said, "It has been several hours since the car accident. It is normal for you to not smell it if you don't have my nose."

Du Xiaoyin frowned slightly and said, "This is probably not evidence, because it is really... too abstract."

"That's right..." Mo Yan nodded in agreement and said, "A sharp nose is just my personal problem and cannot be used as evidence. But it is precisely because of this reason that I discovered another place that everyone overlooked."

He walked forward a few steps, half-squatted down, pointed to some undetectable spots on the ground, and said, "Look, this is the place."

The dilapidated road surface is mottled, and if you don’t pay attention, it will be difficult to see the spots Mo Yan pointed out clearly.

The distribution of these spots is very distinctive, and from the shape of the spread, it has a forward inertia.

Captain Xu is worthy of being an old man at the traffic entrance. He looked carefully and blurted out: "This is from the vehicle that caused the accident!"

Mo Yan nodded and said, "Yes, this is because the inertia of the brakes spilled from the car. Its main component is water. After a few hours, it will be difficult to find it if you don't pay attention. Captain Xu, have you noticed that although most of these spots are water, there are also some solidification."

Mo Yan pointed to a little bit of the stain in the spots, but did not touch it with his hands because he knew what it was.

Captain Xu couldn't help but frown, stretched out his hand to touch the spot, and then put it under his nose and sniffed it.

He is not unfamiliar with this taste, it is the fishy smell that Mo Yan just mentioned. The solidified substance in these spots is pig manure that is mixed with urine and drinking water and condensed again...

He stood up suddenly, looked at Mo Yan, his face became very serious, and said, "You are right, this is indeed a truck carrying live pigs."

For professionals like Captain Xu, it is inferred that after this, with the specific characteristics of the vehicle that caused the accident, the action can be started.

In fact, half an hour ago, he had already asked his colleagues in the surrounding area to pay attention to some vehicles with obvious impact marks. However, because he could not give the specific characteristics of the vehicle that caused the accident, he did not have much hope for it. This is similar to holding a fish in the bamboo basket. If he can't hold a fish, it's reasonable to hold it, and if he holds it, it will be a great fortune.

Next, Captain Xu didn't bother to ask Mo Yan how he inferred the witness. After discussing with Director Zheng for a few words, he quickly got into the command car and began to contact his colleagues in Xiuling County again.

"Yes, it's a car carrying live pigs, coming from Wanling... Yes, it's a medium-sized truck. Have you started to arrange it? Two patrol teams have been dispatched? Okay, OK, so good, thank you so much. OK, please contact us anytime if you have any situation."

Since you already know that the vehicle that caused the accident carries live pigs, it is not difficult to judge where it is going. As Mo Yan said just now, Xiuling County Pig Market and Xicun Town are the two most likely places for the vehicle that caused the accident and its accompanying vehicles. Highway 113 is an abandoned old national highway, and the vehicles passing here are basically heading to Xiuling County. Because walking from this road can not only avoid the toll station of the expressway, but also save about 30 kilometers of distance. The large pig market in Xiuling County is the largest in the surrounding counties and cities, and is also a professional market integrating trafficking and slaughtering. Therefore, it can be basically confirmed that most witnesses' vehicles will appear there.

As for the driver who caused the accident, I believe that as long as he is not a lunatic, he will definitely hide in a repair shop and then go on the road.

Xicun Town is the closest town to the scene of the car accident. The people there are strong people and clan power. The most important thing is that in Xicun Town, selling stolen cars, splicing scrapped vehicles, and helping the vehicle to destroy the evidence of the accident have almost become a traditional industry there. As long as the drivers in the accident are familiar with the surrounding environment, they will most likely hide in Xicun Town. The people there are strong people, and they hide with each other, believing in the so-called morality of taking money and eliminating disasters for others. If there is no conclusive evidence, even if the provincial department goes there, no one will miss you...

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"Okay, Mo Yan!"

Chief Luo was a little dazed by this scene. After coming back to his senses, he couldn't help but punch Mo Yan on the shoulder and said excitedly: "I really didn't expect that you have this trick!"

Mo Yan smiled and said, "It's just a trick. If you pay attention to observation, you can also draw these conclusions."

Du Xiaoyin smiled from the side and said, "You are too modest. This is not a trick... In fact, logical reasoning is a bit similar to magic. When magic is not exposed, it is extremely magical, but once it is revealed, you will feel that it is just like this. As long as you practice a little, you can play well. The same is true for logical reasoning. If you only give the answer and do not tell the specific reasoning link, most people will think that you are Sherlock Holmes. When you talk about the derivation process, others will suddenly realize that this is actually similar to one plus one equals two, not as magical as you imagine."

"But is this true?" Du Xiaoyin smiled, but looked at Section Chief Luo and said, "Chief Luo, in fact, there is still a part of Mo Yan's deduction left. For example, how did he know that there was another witness at the scene of the car accident, and how did he know the gender and height of the witness? Can you answer these?"

Chief Luo scratched his head and said with a smile: "You should spare me, I haven't finished digesting those things just now..."

He looked at Mo Yan and said with anticipation: "How about you, Detective Mo, you will suffer any more?"

Mo Yan smiled and said, "It's actually very simple... Rocco, look back, it's under the old poplar tree. You can see that there is also a brake mark on that section of the road. Although it's very short, it's enough to show that a car once stayed under the tree and was a truck. The most important thing is that there is also a mixture of spilled manure on this section of the road. Not only that, the driver of this car has also got off the car and left half a shoe print on the soil roadbed beside the rice fields. I guess he wanted to check if there were any survivors at the time? The shoe print was not very clear, but it can be seen that it was a men's sneaker with a foot size smaller than mine, so he could roughly infer his height."

"Ha, there is indeed half a shoe print here!"

Chief Luo was skeptical when he heard this, and walked to the old poplar tree. After looking carefully for a long time, he found half a shoe print.

Behind him, Director Zheng followed closely.

He is a veteran of criminal investigation, and after just one look, he already knows it.

However, he deliberately frowned and said, "Can you be sure that the shoe print must be left by witnesses? Is it possible that someone else can leave it? For example, passers-by who get up early, fellow villagers who go to the field..."

Mo Yan smiled and said, "It's possible, but it's very small... You see, there are no other shoe prints around this old poplar tree except for this half shoe print. Moreover, the direction of the shoe print is at a ninety-degree angle between the rice fields, which means that the owner of the shoe print is walking from the middle of the road to the rice fields. If it's an early passerby, or a fellow villager who goes down the field, it's impossible for them to walk in the middle of the road in the early morning, because it's too dangerous. Since they can't walk in the middle of the road, there will inevitably be more shoe prints on the soil subgrade. But the fact is that there is only half shoe print on the scene..."

Speaking of this, he bent down, pointed to the shoe print, and continued: "The most important thing is that the front end of this shoe print is severely worn, which is a typical sole shape change and pattern wear caused by long-term clutch trampling. From this, it is not difficult to conclude that... this half of the shoe print can only be left by the witness driver."

"Excellent!" Captain Xu strode with an excited look and said, "It's really wonderful to see so many things with half a shoe print!" He paused slightly, and he looked at Director Zheng and said, "Director Zheng, report you good news, witnesses found it. The man, 1.75 meters tall and wearing sneakers, is exactly consistent with Mo Yan's inference!"

Only a few minutes have passed? Director Zheng said in surprise: "So fast?"

Captain Xu said: "It's a coincidence... I just called my colleagues in Xiuling County and asked them to pay attention to intercepting a truck loading pigs. Before they finished speaking, they found a suspected target. After stopping and asking, the driver recruited himself as soon as he got to the point. According to the reaction of colleagues in Xiuling County, although this guy was not the perpetrator, he was already scared after witnessing a car accident. When he saw the traffic police stopping the car, he collapsed on the spot. According to his confession, the driver was a man named Lao Tie."

Director Zheng asked, "Where is this called Lao Tie?"

Captain Xu glanced at Mo Yan and replied: "Xicun Town."

Director Zheng knew what Xicun Town was like, nodded and asked, "Do you need my people to cooperate with you?"

Captain Xu shook his head and said, "No, you can do it directly with the exact goal. The people of Xicun are not fools. Without evidence, they dare to mess around. Now... they don't dare to do anything randomly with them. Don't worry, Director Zheng, this is not the first time we have been to that place."

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