civil forensic

Chapter 179 List of Suspects

When Huang Qiangmin came to the medical examiner's office, his head was still a little off.

He asked Jiang Yuan to do the backlog, but the general process of doing the backlog is really not like this.

To be more realistic, if the provinces and departments conduct a "hundred-day accumulated case attack operation" now, by the end of the operation, some of the previously prepared accumulated cases will not be activated.

Other people's suspects will not cooperate with your police actions.

However, the current case has become a backlog, and it always has some difficulties.

Even if it doesn't, after it becomes a backlog, there should be one.

Therefore, there is almost nothing that can be missed from the backlog.

Those who work as criminal police officers complain endlessly when they start accumulating cases.In some places, being assigned to check backlogs is as painful as being put on little shoes.

It's actually really painful.

It's like a salesman, when he meets a customer, he can't do everything he can. At this time, can he get it done with another salesman?There is a high probability that it is still uncertain-here is a regular sale.

Huang Qiangmin was really optimistic about Jiang Yuan's ability, but Huang Qiangmin still didn't quite understand Jiang Yuan's movement within half a day after he came back.

It takes several months to open up wasteland for large livestock.Can't we spend some feed, waste some labor, and toss for a while before we can get results?
Isn't it normal that it would take three to five months to start a homicide case?
If it can be done in a few hours, do they have cat cakes and put it on the backlog?
It's not a steak, it can be aged.

"What clue did you find?" Huang Qiangmin still had a serious face when he entered the door.Although it is indeed still very curious, the dignity of the captain must be guaranteed.

How can a leader manage his subordinates without dignity?

"Jiang Yuan found it, let him tell you." Wu Jun didn't take credit for it.He doesn't have to think about the dignity issue, he has already paid for the sub-subject treatment, and he has no desires and desires before retirement.

While waiting for others, Jiang Yuan had already prepared the picture and made it into a PPT.Turning to the screen at this moment, he said, "It was the 13 He Jingqin case 611 years ago..."

"Oh, I remember, there was blood all over the place."

"Yes, I reconstructed the scene based on the bloodstains." Jiang Yuan operated the PPT with his left hand and made gestures with his right hand.

Wu Jun was smiling on the opposite side. Hearing this, he was surprised: "When did you do the on-site reconstruction?"

"When I was doing PPT, I did it by the way." Jiang Yuan replied.

Bloodstain analysis is a high-end gadget, and if you want to play it well, you have to be at the LV3 level.

However, for Jiang Yuan, who has mastered the bloodstain analysis of LV5, the reconstruction of the scene is very basic.

I have seen all the pictures that should be seen, and have all the necessary information, which is a process of integrated analysis.

Jiang Yuan didn't talk too much, first he released a few photos, and then said: "The investigation of the crime scene and the autopsy report of the corpse, I won't go into details one by one, I will directly talk about the reconstruction of the crime process."

"From the bloodstain analysis, the murderer's crime process can be divided into four parts."

"The first part. The murderer held the victim hostage, started at the fire door, and injured the victim for the first time with a knife. There were superficial scratches on the victim's arm, and it is likely that a low-intensity defense was carried out here. The door The bloodstains left on the wall behind were probably caused by pushing and shoving. The main evidences are: A, the bloodstains on the front of the victim’s jacket flowing from top to bottom. B..."

"The second part. The murderer took the victim to the rooftop. The victim probably understood the murderer's purpose, and then resisted fiercely, possibly accompanied by shouting. The murderer held a knife in his right hand and drew fatal wounds from left to right. , the wound was on the victim's neck, which formed a splatter of blood... Then, the murderer dragged the victim into the roof, forming a dragging injury and a certain degree of resistance... The main basis..."

"The third part. The murderer stabbed the victim again on the rooftop, resulting in the victim's death. The main basis: A. The bleeding bloodstain... B. The formation of a pool of blood... C. The victim's footprints... D , after the victim fell down, spattered blood appeared again..."

"In the fourth part, the murderer began to wipe and clean up the scene. The main thing was to clean up more blood pools on the ground and close the door of the roof. I think this is to cover up the crime scene and avoid premature detection, so It is inferred that after the murderer committed the crime, the first thing he considered was to run away. The main basis is..."

Huang Qiangmin was dumbfounded.

He is the head of the county criminal police brigade.

This kind of on-site reconstruction describing the behavior of criminals, as if looking at the photos, as if he saw it with his own eyes, he used to watch performances.

"Where did you learn this..." Huang Qiangmin really couldn't figure it out.

Jiang Yuan was silent for two seconds, and said, "When I was studying, I really liked thinking about these things."

"Then you really figured out something." Huang Qiangmin didn't know what to say.It's as if the lead cow came out to work, but it ended up doing all the work of a production team with one cow.As the captain of the production team, what should he do now? "

Jiang Yuandao: "I read the previous files, and I mainly searched for the murderer based on the victim's family background. I think that from a different angle of investigation, there may be a chance to solve the case..."

"Ex-criminals who ran away after committing crimes? This range is also very large." Huang Qiangmin instinctively looked for loopholes.

The backlog of homicide cases has been activated, and several police officers may have to be involved in the blink of an eye. It will take several months to solve the case at every turn, and the preliminary argumentation is indispensable.

Jiang Yuan then told the body shape judgment made through the footprints before, and then said: "I think we can narrow the scope a little first, and if it doesn't work, we can expand our consideration."

"How to shrink?"

"I think it can be assumed that the murderer has a previous conviction for a sex crime and was released for a very short period of time, such as one or two months, not more than three months. Then, he ran away very quickly, and he should have left on the same day , no more than the next day."

"Why is the release time so short?" Huang Qiangmin felt that this question was the most important.

There are only a few prisons in the province, plus the criminals who were born in Ningtai County, the number of sex offenders released after serving their sentences in the three months before the crime should be very small.If it doesn't work out, there are only a few people.

Among such a small number of people, find a person between the ages of 25 and 30, and the number is even smaller.

After deliberating his words, Jiang Yuan turned off the PPT, found a few more photos, and said, "From my understanding of the crime scene, the murderer's tidying up behavior is relatively calm. But his actions, I think there is some eagerness, and a little rustiness. That is...he is very courageous, very confident in the process of attacking, but more anxious..."

What Jiang Yuan described at this time is already a judgment of the whole, rather than a single point-to-point judgment: "I think this is the first time the murderer committed a crime after he was released after serving his sentence, so it is particularly... Haste."

Huang Qiangmin understood.Although he himself doesn't know much about bloodstain analysis, but Jiang Yuan has analyzed it to this extent, and Huang Qiangmin can only choose to believe it.

"You investigate first. See where you are going. I'll find two people for you." Huang Qiangmin thought for a while, then called Wei Zhenguo over.

In this case, if Jiang Yuan finds fingerprints or DNA evidence, Huang Qiangmin will definitely call up a special case team.

But for bloodstain analysis, Huang Qiangmin wanted to send two scouts out first.

This is also a general operation in the criminal police team. It can only be said that it is not specialized for Jiang Yuan.

This was what Jiang Yuan wanted, and when Wei Zhenguo came over, the two discussed it and started making phone calls.

Prisons are managed by the judicial system, especially prisons outside the province, which are even more troublesome.

It's just this trouble, and it didn't last long.

Two days later.

A list of only 8 people was placed on Huang Qiangmin's desk.

"That's how many suspects are there?" At this moment, Huang Qiangmin's attention level was instantly raised.

Jiang Yuan nodded and said: "I think the first four people on this list are the most likely. The last four people could have been screened out first and waited to see. But Team Wei believes that there is no need to limit the scope so narrowly... ..."

"Old Wei is right. Wait until I call someone over." Huang Qiangmin didn't approve the documents at hand, and directly called the internal staff to call someone.

While waiting for others, Huang Qiangmin said: "The list of suspects in the homicide case, 8 people are nothing, 80 people can be directly investigated. This kind of case, don't be afraid to startle the snake, 8 people, it is enough to match the manpower ..."

"Yes." Jiang Yuan has also experienced several interrogations and arrests, so he knows what the situation is like.

The police are not playing games when handling cases, and they don't say that everything is ready and the only result is selected.

The four squadron leaders and team deputy were called over in one breath and went directly to the conference room.

"Jiang Yuan, you will report the case to everyone later." Huang Qiangmin got up and went to the meeting room after speaking.

Jiang Yuan is also ready.

It doesn't matter whether you arrest 8 people or 4 people, the specific situation of the case must be informed to the police who are executing it.There is always a certain degree of danger in the arrest, and the necessary information needs to be disclosed.

Jiang Yuan arrived in the meeting room, released the PPT again, and while operating with one hand, he reconstructed the crime scene more completely.

Compared with the time he explained to Captain Huang Qiangmin, Jiang Yuan prepared better this time, and his narration was more complete.

Several team captains and team deputy are also old criminal police officers, but after hearing Jiang Yuan's case report, they could not speak for a long time.

"Will all future cases be handled like this?" After a long time, Comrade Wu Junhao from the No. [-] Squadron couldn't help but speak.

"Of course it's impossible." Liu Wenkai, the captain of the Second Squadron, sighed, and said, "No matter how good Shang K is doing, he won't steal Fenglou's market. Don't worry."

Everyone inexplicably agreed, and felt a little bit of peace of mind.

(End of this chapter)