This was not a difficult question. Although there was no unified theory at present, it was not difficult to think about as a question for the Olympiad. Bai Song continued to talk to Cao Yu about other things, and soon it was time for Cao Yu to go to school.
Cao Yu went to school with his bag on his back, and then Captain Cao and Bai Song began to talk about the case.
After the conversation with Cao Yu just now, Captain Cao's attitude towards Bai Song changed greatly.
In fact, after he had a phone call with Captain Qin this weekend, his impression of Bai Song had changed a bit. He had heard that Bai Song was from Shandong Province and had no relatives or elders in Tianhua City. He relied on himself for everything. Captain Cao was very surprised by this.
After putting aside his disdain, after a brief exchange, Captain Cao suddenly discovered that Bai Song had a thorough understanding of the case, much deeper than some people who had only been here for a few months.
"So, what is your speculation about the main culprit?" Captain Cao asked after chatting for a while.
"I don't think it's just one person." Bai Song said, "I have compared the confessions of the top leaders of these gangs several times. There are more than 20 people who have described the main culprit, but there is no unified description. Either there is something wrong, or it's not just one person."
"The more people there are, the harder it is to evade detection, and the probability of evading detection is even lower when there are more people," said Captain Cao. "There is also a speculation that this person may not exist at all. It is even possible that these senior officials have agreed with each other that if this matter is caught, they will make up a person so that they can avoid taking the main responsibility."
"It doesn't exist?" Bai Song thought for a moment and said, "It should exist. I always feel like someone is playing chess outside."
"Don't worry, just wait and see." Captain Cao didn't want to continue talking about this topic: "Whether he is involved or not, the case can be solved. Slowly, the truth will come out. The organizers now can be identified as the main culprits."
Bai Song nodded. There was really nothing to talk about this issue, and it was just speculation now.
"You can go help Captain Wang when you have time. Captain Wang is quite rigorous in his work." Captain Cao said, and then added, "I will tell him later."
"Thank you, Captain Cao. I will definitely study hard." Bai Song said seriously. In fact, he wanted to continue talking about some of his discoveries, but most of them were guesses. He decided to talk to Captain Wang.
"Well, if you need any help, you can tell me."
…
After more than a week, Bai Song finally encountered this case in a real sense. He went back to the house to pack up his notebook and then returned to the project team leader Wang. Wang Wei's attitude changed all of a sudden. Although he was still distant, he was willing to communicate with Bai Song.
"Captain Wang, I plan to go and interrogate them. Can you arrange someone to accompany me?" Bai Song stated his purpose. He wanted to personally interrogate these criminal suspects again. It was not that he did not trust the previous criminal police, but the transcripts of so many people were taken by different people. Bai Song's idea was to take the transcripts of all these people in person, and he told Captain Wang about this idea.
"Are you going to interrogate all these people in a row?" Wang Wei was very surprised. "There are more than 20 people who claim to have seen this 'Master Yi', and some are tight-lipped and won't say anything. Add them up and there are quite a lot of people.
Moreover, due to the system of avoidance of co-defendants, the suspects in this case are distributed in nearly 20 detention centers in Tianhua City. My words don't count. You have to talk to Captain Cao. The most important thing is that our task force is short of cars, and there are several groups of people outside looking for clues.
You are trying to re-examine all the existing evidence, Captain Bai, I am a few years older than you, but I can tell you that this matter may offend people."
Tianhua City is quite large, nearly 200 kilometers from south to north. It is not an easy task to visit all the detention centers in each district. And what Captain Wang said is right. If he goes to take the statement again, wouldn't he be looking down on the person who took the statement before?
"There's nothing I can do about offending people. The statements of these people were taken by four or five groups of people, and I can't describe them in detail. I'll go back and apply to Captain Cao for a car. If there's no car, I'll drive my own." Bai Song could see that Wang Wei was thinking about him, and he was very grateful. "Captain Wang, I still have to trouble you to help me find someone to go with me."
"Okay, this is not difficult." Seeing that Bai Song was determined to do this, Wang Wei nodded.
To be honest, he also wanted to do this, but firstly, he had neither the time nor the energy, and secondly... the reason was just mentioned.
Now that the decision had been made, Bai Song began to sort out the clues and travel arrangements of these people.
The first step is to find some people who are relatively cooperative with the police. The prisoner theory is particularly prominent in such a case with a large number of people. The next step is to make specific plans based on the importance, the situation of the original record and the location.
Bai Song calculated that this work alone would take about half a month if everything went well.
"Oh, right," Bai Song took out a USB flash drive, "Captain Wang, take a look at this and see if it helps you. This is the distribution map of suspects and victims that I compiled last week. According to the function calculation, in addition to our Tianhua City, there is another area where the ratio of the number of suspects, the number of victims, and the regional GDP and population is significantly higher than other areas. This area is Xiangnan Province."
"Function calculation?" Captain Wang seemed a little confused: "What is this?"
"We just need to calculate the weight of this ratio and then make a model. Many of these cases of illegal absorption of public deposits are started by low-level salesmen from their friends and relatives. Therefore, the data from Xiangnan Province can show that it is also an important birthplace of this case.
I found that the locations of these main suspects were not distributed in this way. I boldly guessed that the main culprit might be from there." Bai Song expressed his guess.
"Hmm?" Captain Wang thought for a moment and said, "Okay, put your USB here and I'll take a look."
After that, Captain Wang paused for a few seconds and said, "Well, if there's anything I don't understand, I'll ask you again."
…
With the support of Captain Wang, Bai Song saw more updated materials and found some important materials. He kept his composure and slowly looked at them for two days at the unit and gained a thorough understanding of these things.
On Wednesday morning, Bai Song took a day off and went to the vehicle management office in Tiandong District. He worked with Li Kun to complete all the procedures for the car and put up a temporary license plate. Bai Song finally had a proper car.
"Why does your money look a little moldy?" Bai Song asked curiously after taking a stack of used car deduction money from Li Kun.
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