The 'Heavenly Generals and Heavenly Soldiers' from the capital arrived earlier than He Zhou had imagined, on the second day at noon when Gao Yuliang was talking to He Zhou.
When He Zhou ordered the serious crime unit to hand over the physical evidence to several experts from the Criminal investigation, the leader asked with a hint of surprise, "Don't you already have a lead?"
Detective squad member was at a loss, but He Zhou vaguely guessed the meaning of The other party, feeling somewhat embarrassed. "Captain Xu, Linzhou is just a small place and doesn't have the conditions for DNA testing."
Of course, the most crucial issue is that the country has not yet established a DNA database and there is no nationwide network. Without identifying a suspect, even if results are obtained, it would be of no use.
Xu Jingqing obviously knew his concerns. In order to handle the case more cautiously, he proposed to proceed in two steps: first, to quickly send the Cigarette butt to either the capital city or evil City for testing, and second, to lead the Criminal investigation team to the scene.
He Zhou had originally wanted to welcome and entertain The other party, but considering The other party's work attitude, he swallowed his words and personally took The other party to the scene of the crime.
Xu Jingqing is now squatting on the river bank, carefully observing for a while, then getting on a boat and entering the center of the Yan River, observing back and forth several times along the upstream and downstream.
Sun Lei was about to speak to explain something, but He Zhou immediately glared, making The other party swallow their words.
These criminal investigation experts have their own opinions. Speaking too much can easily interfere with the handling of the case by the other party.
Xu Jingqing nodded, looked at He Zhou, and then at other detective squad members, intentionally or unintentionally conducting on-site teaching. "For this type of case, identifying the source of the corpse is the key to solving the case."
"We must definitely confirm the identity, native place, and family relationships of the deceased, otherwise we cannot discuss anything."
"We veteran criminal investigators, emphasize bold assumptions and careful verification. The killer must have a motive for murder!"
"Criminal cases that remain unsolved are often hindered by two reasons: a lack of objective evidence and subjective 'blind spots.'"
"What do you mean by 'blind spots'?" Yan Su interrupted, busy taking notes.
He Zhou timely interjected, "Blind spots are the darkest under the light. Using a criminal's mindset, the more dangerous a place is, the safer it becomes."
Xu Jingqing eyes lit up, "Captain Qi is right."
In the past few years, I personally participated in the investigation of a "White metal case".
For four years, the criminal committed crimes continuously with consistent methods, clearly pointing to the perpetrator being local. However, the local public security and Detective department turned the entire area upside down but found no clues.
"This..." was not only surprising to Yan Su, but also to the other members of the detective squad.
On one hand, they were shocked by the audacity and cruelty of the criminal's actions, and on the other hand, they were greatly amazed.
"Everyone wants to know where criminal is hiding, right?" Xu Jingqing smirked, then his gaze fell on He Zhou.
In his opinion, there were many mediocre people in the Criminal Investigation Division of Linzhou City, but very few talented individuals.
The head of the Criminal Investigation Division is broad-minded and always gives people a refreshing feeling with his speeches.
He Zhou frowned, obviously also thinking about where this elusive murder had hidden, evading the long-term reconnaissance of the prefecture-level city's public security and detectives, and evading the dragnet they had set up.
He asked himself, a murderer who could reach this level definitely couldn't be an ordinary person.
After a while, He Zhou said lightly, "Firstly, the issue of the murderer coming and going without a trace. Since it's a human committing the crime, it's impossible for them to fly, let alone turn invisible or have three heads and six arms."
This is not a fantasy world; it's a world that values science.
"First, we can start with the weapon. Where did the killer get the weapon and how was it handled afterwards? Secondly, we also need to pay attention to the Transportation vehicles. Where did the killer come from, and how did they leave the scene after the crime? These are all key points."
He Zhou racked his brains, divergent thinking, "In my opinion, the best way for the murderer to disguise himself is actually to blend in with the crowd and become a mediocre member."
But since he is a mediocre member, the city residents and tenants of short- and long-term rental houses in the city must have clear identity information registered. The murderer cannot overlook this point.
In my opinion, the situation in rural areas is actually more complicated than in tightly controlled cities. In some areas where urban and rural areas are combined, they have almost become lawless areas in recent years.
In fact, the order in mixed urban and rural areas has always been quite chaotic, and has long been a breeding ground for crime, gathering the dark side of the entire city.
"Captain Qi is right," Xu Jingqing affirmed He Zhou's speculation, with a hint of emotion, "However, it's such a simple truth that has troubled the local area for four whole years, allowing the criminal to repeatedly succeed..."
He Zhou smiled and waved his hand, saying, "Captain Xu, you're too kind. I just believe in one principle, which is to eliminate all impossibilities, and whatever remains, however improbable, must be the truth."
"This statement is reasonable," Xu Jingqing nodded with a smile.
This principle is not difficult to understand, the key lies in the process of excluding certain cases, which may be too lengthy...
Sun Lei raised his hand like a primary school student and asked, "Captain Xu, could you talk about the sensational 'dismemberment case' that happened two years ago?"
Xu Jingqing took a sip of mineral water, organized his thoughts, and slowly said, "In my opinion, this kind of case actually has more clues to follow."
"Ah?" A group of people eager for knowledge like elementary school students.
Xu Jing smiled and continued, "Take the dismemberment case that you are familiar with as an example."
"The murderer was able to separate the internal organs and the flesh, indicating that the dismemberment process was carried out calmly and composedly.
An ordinary person would never be able to achieve this level of skill, which suggests that the murderer is likely to have been involved in Slaughter-related work for a long time, and of course, the possibility of being a chef cannot be ruled out."
"Next, we see that in the dismemberment case, the murderer dismembered the body calmly, but during the process of disposing the body, mistakenly included a few severed fingers, indicating his panic.
In terms of human tissue, fingers are undoubtedly highly recognizable. While an ordinary person may not be able to distinguish between human flesh and pork, human fingers are easily distinguishable at a glance."
Upon hearing this, He Zhou couldn't help but ask, "How do you distinguish whether the fingers are misassembled?"
Xu Jingqing showed a look of someone who could teach a child, with a creepy smile on his face, "Let's look at the order in which the murderer disposed of the body. The bones and flesh were the first batch, the organs were the second batch, and the head and clothes were the third batch. This is clearly done in order of recognizability, from low to high."
Many people have said that they have learned, but what they are more concerned about is how to track down the killer.
"Don't worry, let's take another look at the dumping site."
The murderer actually chose to dump the body near a university. Isn't that eerie? According to common sense, the best place to dump a body is often to bury it in the mountains or throw it into a river, like in this case. Even the least intelligent murderers know to throw it into the Yan River.
"Is it that you don't want to, or that you can't?" Xu Jingqing asked in response.
Yan Su bit her lip and said, "It should be that the murderer was in a hurry to dispose of the dismembered body, but there were no rivers or mountains nearby to do so."
It's only the early 1990s now, and the popularity of private cars is still very low. Only the wealthy can afford them. As for taxis, not only are they expensive, but the murderer shouldn't have the audacity to carry a pile of dismembered bodies around.
"Is there no possibility of a demonstration?" Sun Lei pushed up his glasses and thought seriously, "Could the murderer have thrown the body near the university as a demonstration to someone?"
"Not possible," He Zhou said decisively, "If it was really a demonstration to someone, then the first time the body wouldn't have been thrown into a trash can, and the third time the body was hidden under a manhole cover. Is the murderer demonstrating to rats?"
"This obviously doesn't make sense."
This is the biggest flaw in the case!
"Hello"
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