The Purple Peak Mountain spans Jianjiang City and Qinghe City. It is located deep in the mountains.

But due to the coal mine, the road to the Purple Peak Mountain is rugged and difficult to travel, but there are still many people living at the foot of the mountain.

The Purple Peak Town at the southern foothills looks like it has declined, but still has a population of over 10,000. The continuous investment of state-owned coal mines, the construction of mechanical processing plants, the investment in coal processing enterprises, and the chemical fertilizer and pesticide plants built by the tertiary industry are still operating tenaciously.

It's just barely making a living.

Just like the people in the town.

Under the hazy air, people live their ordinary lives.

Not very lively, but calm and old-fashioned, and a bit familiar.

The Alpha slowly drove through the middle of the town. In Jiang Yuan's mind, the image of Zhangshan Town and Lichang Town emerged. It was the place where Wang Guoshan, the criminal of the reservoir case, lived, killed, and was arrested.

It is said that because of this incident, many residents of Zhangshan Town left, causing the once prosperous town to decline.

The Purple Peak Town doesn't look as lively as Zhangshan Town, but in fact, the town is larger and has more industries, which has led to a more dispersed population.

Wei Zhenguo noticed Jiang Yuan's attention outside and introduced, "The Purple Peak Mountain is very large. We are currently in the south, which is mainly the residential and industrial area. The coal mines are on the high mountains, there are several of them, the locals call it Mine No. 1, Mine No. 2, in fact, Mine No. 1 is a coal mine, and Mine No. 2 is another coal mine. They used to be all at the county level."

"Higher than the town mayor's level."

"Definitely. When the coal mines were making money, what's the town mayor?"

"We used to stay at the state-owned enterprise's guesthouse when we went out to handle cases. The local government's guesthouse was not good, just a big dormitory, very smelly."

"You seem quite familiar with Purple Peak Town?"

"Not really, I've been here before. Qinghe City is not that big, you know, the easiest place to solve cases in the past was these kinds of industrial and mining enterprises. Once something happened, it was always a big case."

"What kind of case was it back then?" Jiang Yuan casually chatted, also gathering information.

For a completely unfamiliar place, it is difficult to have a specific impression based solely on online information. The human thought process determines that there must be a starting point to connect the story and the characters.

In today's terms, it means there must be a point of reference.

Jiang Yuan had also looked up some information in the car just now.

In addition, when Liu Jinghui was injured last time, Jiang Yuan also paid attention to the situation at Purple Peak Mountain.

Listening to Wei Zhenguo's explanation, Jiang Yuan also drew a map in his mind.

Where should he start investigating?

The three treasures of the new era criminal police are images, mobile phones, and DNA. It may be cliché, but everyone chooses this method to solve cases, which also indicates that the probability of solving cases using these three methods is very high.

At the very least, the cost-effectiveness is very good.

But in Purple Peak Mountain, there are naturally no images. The path found through the phone was also proven to be unworkable by the technical investigation. Otherwise, the Provincial Department wouldn't be in such a hurry.

DNA requires a scene.

And in the case of a missing person, there is no scene.

The most annoying thing for criminal police is probably missing or lost cases, one reason being the lack of a scene.

Without a scene, many of the current technical means cannot be used, and solving the case becomes impossible.

Of course, the main reason is that missing cases are more complex. If a case is solved after a lot of effort, only to find out that it was just a runaway from home, or a spouse's affair, then it's a waste of time and emotions.

In most cases, criminal police encounter such cases.

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Of course, even rarer, and also the most terrifying situation, is when the police ignore the report and someone dies.

Therefore, it is very important to prove abnormal conditions in order to file a case for missing or lost persons.

For example, Liu Jinghui should not have been missing for so long.

But to find him, Jiang Yuan also didn't know where to start.

Reinforcements from the Provincial Department quickly arrived in Purple Peak Town.

A line of seven cars orderly parked in a hotel.

The leader was wearing a white shirt and looked very serious.

"Xu Taining. Senior Superintendent. Dazheng Division." Wei Zhenguo whispered to Jiang Yuan as he saw the person from a distance.

In the police world, the white shirt is a line that very few can cross.

So, for grassroots police officers, seeing a white shirt and saluting is the right thing to do.

The Dazheng Division is for senior administrative levels. Senior superintendents are divided into four levels, with the third level corresponding to the deputy division level, and the fourth level being called the junior deputy division, and the third level being called the senior deputy division.A first-class senior superintendent and a second-class senior superintendent correspond to the full departmental level, with the second-class being the junior full departmental level and the first-class being the senior full departmental level. In more modern terms, a first-class senior superintendent is akin to a full departmental level plus.

For the police system, reaching the full departmental level is the most challenging hurdle. Once promoted, one can wear a white shirt and join the ranks of senior police officers. It's considered a minor peak in life.

Those who don't make it are just one of the many. Most people don't get promoted, especially at the grassroots level.

In Shannan Province, there aren't many first-class senior superintendents who still run around crime scenes in white shirts, and Xu Taining is one of the more famous ones. Wei Zhenguo recognized him at a glance.

Jiang Yuan, as a third-class police inspector, is about the lowest rank in the police system, standing at the very back, watching a group of people go through the motions, and asked, "This Director Xu, what famous deeds is he known for?"

"There are plenty," Wei Zhenguo thought for a moment and said, "He's dispatched thousands of officers to capture armed robbers, used police forces from other regions, cracked down on triad groups, eradicated several drug dens, and even gone to Southeast Asia to catch fraudsters involved in telecom scams. All big operations."

"The commanding type?" Jiang Yuan summarized.

Wei Zhenguo thought about it and nodded, "That's right. What Director Xu is best at is large-scale coordinated operations."

When the provincial department sends people to handle cases, these senior superintendents don't actually carry much authority with them, so most senior superintendents focus on inspections and supervision.

Often, senior superintendents are those who have stepped down from leadership positions. When needed, dispatching such a senior superintendent back to the land where they once fought can be very beneficial.

Of course, most cases don't escalate to the political level. Situations prone to confrontation usually occur with companies like Jianyuan Corporation.

Aside from such cases, local criminal police are usually very welcoming of supervision from higher-ups, after all, a superintendent from the provincial department can bring some funding or technical personnel, which is beneficial for solving cases.

But what Xu Taining does is not just supervision or even command; it's more about integrating various forces, which is quite challenging.

And from this perspective, the provincial department is taking Liu Jinghui's disappearance very seriously—

—According to the provincial department's definition, Liu Jinghui is currently only missing, not disappeared.

"Who is Jiang Yuan?" A police officer came running over, calling out as he ran.

Jiang Yuan waved his hand, standing out like a giraffe shaking its neck.

"Are you Jiang Yuan?" the running officer asked.

"Yes, from Ningtai County."

"Come with me." The officer turned and started jogging away.

Jiang Yuan had no choice but to jog after him. That's how it is in the disciplined forces, where orders must be followed without question.

Xu Taining had a square face and sharp eyes, exuding authority without anger.

He spoke slowly and clearly to the people around him, with strong logic in his sentences.

After speaking with several people and seeing them off, Xu Taining beckoned Jiang Yuan over and said, "I heard you're on good terms with Xiao Liu. Did you guys talk about the case last time?"

"We didn't discuss specifics. Director Liu had just been injured at the time and was about to gather people and dogs to go back to the coal mine to search for someone," Jiang Yuan described truthfully, no more, no less.

Xu Taining nodded and said, "I heard you're good at handling criminal cases, and you recently solved a major case involving a body dumped in a reservoir? Do you have any thoughts on this?"

"Not at the moment. But Director Liu was following the leads from the reservoir case."

"We'll consider it," Xu Taining said. "Contact me if there's any situation. You can return to your unit."

"Yes." Jiang Yuan was dismissed after a few words. As he left, he heard Xu Taining discussing where to dispatch more personnel with someone nearby.

It was clear that he was preparing to employ a manpower-intensive strategy.

This was currently the most suitable and most luxurious option.

Jiang Yuan was also pondering as he returned to the roadside, instructing Jiang Yongxin to drive back on his own.

As he was arranging this, a brand-new Great Wall Cannon truck pulled up in front of Jiang Yuan.

Huang Qiangming jumped down from the driver's seat, laughing heartily, rolling up his sleeves, and calling out the names of Jiang Yuan and Wei Zhenguo.

Li Li walked down from the back seat with Strong, the Rottweiler.

Strong, leashed and a bit unsteady on his feet, wobbled a couple of steps by the roadside and suddenly couldn't hold back and threw up.

Not only Jiang Yuan and Wei Zhenguo, but a crowd of onlookers were stunned.

Li Li saw it too and could only shake out a pack of tissues, sighing, "Sorry, he's carsick."

"Dogs get carsick?" Jiang Yuan was surprised.

Li Li spread her hands, pointing to Strong resting in a tree hollow, "It was too bumpy today, but he often gets carsick. He'll be fine after some rest."

"If it's not working, rest for a day and enter the mountains tomorrow," Huang Qiangming said as he gently closed the car door, failing to do so, then forcefully shut it, succeeding after three attempts.

Li Li hesitated but then patted Strong's head, "Strong wants to make a contribution, let's be the first to enter the mountains."

Hearing the word "contribution" from the instructor, Strong nodded vigorously.

Dogs, after all, don't just lie down and give up.