Huang Qiangmin didn't go anywhere, so he followed Jiang Yuan, sweeping up trace evidence from the corpse scene, and then climbed upstairs to sweep up trace evidence from the crash site.
He didn't work or talk, he just followed Jiang Yuan and watched Jiang Yuan do his work.
Wu Jun and other veteran detectives looked at Huang Qiangmin's figure and gradually felt their pressure double.
Huang Qiangmin is a relatively ideal criminal police officer.
Although the word "ideal" is too pretentious to describe a middle-aged man in his forties or fifties, in the police force, this word is still occasionally used.
If there is no ideal, the position of criminal police captain will become very painful.
Both mentally and physically.
For example, at this moment, after getting the mobile phone video, Huang Qiangmin could actually commit suicide and deal with the case first.
Because this is not just a suspected suicide, there is concrete evidence that it is a suicide.
If there is subsequent evidence that proves it was homicide, it will be nothing more than restarting the case. From a legal perspective, both are legal.
If you have no ideals at all and simply consider worldly gains and losses, getting married is the most normal decision.
Moreover, it is also the most advantageous decision.
Because if this case is not a suicide, it is either a crime of high IQ, or it is a case where the murderer is extremely lucky and the victim is extremely unlucky.
Regardless of which type, the difficulty of detection is extremely high.
And if it cannot be detected, then all the cases that have been solved this year and all the work that has been done for the counties and cities will be in vain.
Now that the murder cannot be detected, after deducting 300 points and giving a passing assessment, the bureau will be able to open the door to convenience.
However, Huang Qiangmin's ideal country does not allow him to do this.
Therefore, in the eyes of several experienced criminal policemen, Huang Qiangmin was almost reckless in waiting for Jiang Yuan to collect evidence.
"Team Yellow. Otherwise, let's go back and do a total first?" A policeman came forward and suggested.
The investigation is still a very serious matter. Whether it should be established or activated is not something that the criminal police captain can decide alone.
And by now, if Huang Qiangmin doesn't make a decision, the director and the deputy director in charge of criminal investigation should show up.
By default, a person who fell from a high position died unnaturally. But if the situation is complicated, the director and deputy director will come as usual.
When the time comes, Huang Qiangmin will have to make a decision and report to the director.
Huang Qiangmin naturally knew the meaning below, but he looked at Jiang Yuan and only said: "Go to the building opposite and run to all the offices, including the public rest areas, and get the surveillance videos. Wanghe Building
Also, everyone in the upper-level offices must go to the office."
This means that it still needs to be done in front of fate.
Seeing Huang Qiangmin's firm attitude, the policemen below stopped talking and turned around to do their work one by one.
Anyway, if the sky falls, there will be a tall one to support it.
Huang Qiangmin took out his mobile phone again and sent several messages in succession, while continuing to follow Jiang Yuan's footsteps.
In the final analysis, he still believed in Jiang Yuan.
In terms of the number of cases solved, Jiang Yuan alone solved more cases than a squadron of police officers.
If the time point is closer, the Ningtai County Criminal Police Brigade will definitely have done more murder cases in the past 10 years, but the number of murder cases it has done in the past five years is not as much as Jiang Yuan has done.
Jiang Yuan has such strength, others may still hesitate because of his age and experience. But Huang Qiangmin watched the whole process.
He has experienced the DNA wave in 2003.
At that time, ministries and commissions had just begun to promote DNA. What were the results?
Many police stations can solve a murder case in a week. DNA evidence such as rape cases is particularly easy to obtain, and it is not an exaggeration to say that one case is solved in one day on average.
How many serial rapists have been caught as a result.
When technological innovation first broke out, the power it displayed was enough to stun anyone. They can only believe in the impact of reality.
In Huang Qiangmin's view, Jiang Yuan's technical strength, at least in Ningtai County, is explosive.
If what I encountered this time was a suicide, then so be it.
If it is really a crime involving high intelligence, Huang Qiangmin believes that Jiang Yuan's strength can teach him how to behave.
"The director of the Yellow Team is here." A policeman came over to report.
Huang Qiangmin glanced back at Jiang Yuan and saw that he was still scanning the scene intently, so he turned and went to the door.
When we arrived at the place, Director Guan Xi and the deputy director in charge of criminal investigation arrived just in time.
"What's the situation?" Guan Xi asked when they met. He first wanted to understand the situation at the scene.
"A 27-year-old male named Li Jiangshu fell to his death. Judging from the information collected so far, he worked for a tourism company in Wanghe Building, a private enterprise employee..." Huang Qiangmin said quickly, but also relatively briefly.
.
Guan Xi listened attentively, and then asked: "What about the way of death?"
"Not sure yet." Huang Qiangmin replied, and added: "There is a video showing that Li Jiangshu jumped from the window upstairs alone. But we think there are still doubts."
"What's the doubt?" Guan Xi asked directly.
Huang Qiangmin was silent for two seconds and said, "I'm also waiting for the report."
"Well..." Guan Xi actually had his own source of information. Seeing that Huang Qiangmin didn't say anything, he smiled and asked, "Did Jiang Yuan bring it up?"
"right."
"You quite believe him."
"I have to believe it." Huang Qiangmin smiled bitterly.
Guan Xi was stunned for a moment and then laughed.
As a leader himself, he suddenly understood Huang Qiangmin's mentality.
In fact, if translated, it is a very simple scene.
Huang Qiangmin is a Chinese teacher, invigilating the mathematics exam. At this time, the strongest student in the class pointed out that the third question on the mathematics paper was wrong, and the four options ABC and D were incorrect.
Although it is a very small probability event, can you not report it?
If you can't understand it yourself, don't you have to wait for the top students or the above to give you more information?
"Then let's do as ordered." The pressure on the director's appointment was actually less than that of Huang Qiangmin.
Huang Qiangmin is in charge of criminal cases in the county. The detection of the current murders is his responsibility, the eight major categories of serious cases are his responsibility, and the detection rate of the county's cases is also his responsibility.
But for the director, his most important responsibility is actually to maintain stability.
Since Huang Qiangmin decided to support Jiang Yuan, Guan Xi recognized him and helped him further straighten out the relationship.
As expected, Huang Qiangmin showed his gratitude and said: "Then let's expand the investigation first. If we can confirm that it is a fatal case, we will initiate an investigation..."
Excluding the judgment of suicide or homicide, this accident was nothing more than a high fall.
The high-falling eucalyptus, even if it is a fatal eucalyptus, everyone has done a lot.
The policemen from the Criminal Police Brigade acted quickly.
If you need to ask questions, take notes if you need to, and if you don’t have time to do it, write down your mobile phone number, take photos, and do it later.
The three squadrons spread out and faced four buildings and a circle of podium buildings, and they quickly disappeared without a trace.
Jiang Yuan ignored what was going on outside the window and concentrated on collecting physical evidence.
He actually didn't know what he had collected, and modern technology had not developed enough to carry various trace evidence detection equipment with him.
However, like Huang Qiangmin, he was also somewhat aware that what he was facing might be a windmill, or perhaps a powerful enemy with full armor.
So-called high-IQ crimes actually rarely occur in the domestic criminal investigation environment.
Guys like Tan Yong are already very meticulous criminals.
As for the guy like Bai Yingu, the complexity of the case is only sixty or seventy at most. He is the type who has a lot of flaws, but he still can't catch them.
But looking at it from another perspective, if a person premeditates a crime, he must have thought about it beforehand and is well prepared.
Although most criminals think so ridiculously that they are caught in their rookie stage.
But is there anyone who was lucky enough to escape from the first or second premeditated crime, thereby gaining experience and continuing to commit crimes?
Perhaps the real problem lies in the fact that such people are rarely caught.
Jiang Yuan has no criminal investigation experience.
If you want to evaluate his own criminal investigation skills, LV0.5 is already considered a very high rating.
In terms of arresting ability and handling level, the level cannot be more than 0.3. In this aspect, he is basically useless.
But Jiang Yuan knew that it would be very difficult for any criminal, even a really highly intelligent criminal, to clean up the scene.
Especially in public places like this. The more time you spend, the more information you leave behind.
The classic Lockard principle is about this: the criminal process is actually a process of material exchange. As a material entity, the perpetrator always interacts with various material entities in the process of committing a crime.
, contact and exchange relationships occur...
Crimes will inevitably produce physical evidence. During a crime scene investigation, if no trace evidence left by the perpetrator is found, it can only mean that no trace evidence was found, but it cannot be said that there is no trace evidence at the scene.
Jiang Yuan's crime scene investigation ability is extremely strong, and because of this, he is more willing to use comprehensive inspections to prove the nature of the case.
Rather than making a conclusion on this.
Wu Jun finished his work and followed Jiang Yuan. Soon, his neck was low and his neck was ischemic.
Seeing Jiang Yuan's enthusiasm at the scene of the fall, Wu Jun said: "Why don't I take the body to the funeral parlor first."
"Okay, I'll go later." Jiang Yuan only responded and then buried his head in wiping.
Wu Jun coughed twice and had no choice but to ask Huang Qiangmin for a stronger policeman and left with him.
Jiang Yuan stayed like this until it got dark, and when everyone in the building was almost gone, he left the scene.
When leaving, Jiang Yuan and the accompanying police officers walked into the elevator. Because there was no one in the corridor, the lights were turned off one by one. Only the yellow light in the fire escape was on, which looked quite intrusive.
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