National Forensic Doctor

Zhu Huanguang looked desperately, looked desperately... still could not distinguish the traces of the "new key" that Jiang Yuan said.

But looking at Jiang Yuan's expression, Zhu Huanguang knew that he might not really be deceiving him.

Zhu Huanguang could only shake his head: "This little thief is a bit unreasonable. Rabbits don't even eat grass on the edge of their nests. He can open the lock with a marble hook. He can't beg for food anywhere, but he wants to get food from acquaintances."

Jiang Yuan guessed that he put down his phone and said: "Maybe it's because I'm a newbie. I'm not very skilled at killing people for the first time, but I'm more cautious, so I tried to match the key first, hoping to save time. The skill of matching the key, Maybe he’s new to learning...or he’s not good at it, or he’s just unlucky. At the same time, he also wears a hook just in case.”

Zhu Huanguang didn't listen to Jiang Yuan's subsequent judgment and said unexpectedly: "Are you working on a murder case backlog?"

"yes."

"Ah... you... are a bit powerful." Zhu Huanguang also often makes murder case backlogs by comparing fingerprints.

However, even if Zhu Huanguang can often beat the murder case backlog in fingerprint battles, it does not mean that the murder case backlog is easy for him.

The fingerprint battle is a special situation. Technical experts like Zhu Huanguang gathered together to do fingerprints for thirty or forty days in a simple living and working environment and stimulated by healthy competition, looking at more than 100,000 fingerprints. Only with fingerprints can it be possible to match a murder case in the backlog.

There are only 365 days in a year. After a fingerprint battle in the provincial department and a fingerprint battle in the ministries and commissions, a fingerprint expert's energy and energy are basically exhausted.

On weekdays, if you do your own fingerprints, how can you have the intensity of a fingerprint battle? With a little laziness, a few months passed.

It's hard enough to do fingerprints on a murder case backlog, but it's almost unimaginable to do it in other ways.

Zhu Huanguang has been in the criminal police detachment for so many years. It's not that he has never seen people working on the backlog of murder cases. He has actually seen a lot of them, but it is precisely because he has seen so many that you know how difficult this thing is.

There are many backlogged murder cases that have been completed year after year. Some criminal policemen pursue their past cases for two, three, or five years before they find an opportunity to solve the case.

But Jiang Yuan is not from the criminal police detachment, which means that he has started to solve a new murder case.

Zhu Huanguang couldn't help but think of the situation of Jiang Yuan's case that he occasionally paid attention to two days ago, the previous week, the previous two weeks, and last month. He couldn't help but tremble in his heart: Jiang Yuan is really cruel. .

No matter what was going on in Zhu Huanguang's mind, Jiang Yuan took off his gloves, took out his cell phone, and called Wan Baoming.

Wan Baoming is the deputy director of the Criminal Investigation Center. For the key physical evidence involved in the backlog of murder cases, he not only needs to know but also fix the evidence, and then find someone to take photos, record, etc.

Zhu Huanguang knew the importance of physical evidence as soon as he heard Jiang Yuan call Wan Baoming.

At this moment, his heart felt like a cat scratching his head, and he couldn't help but curiously asked: "Is the case solved?"

"No; where is this?" Jiang Yuan smiled.

Zhu Huanguang was also inexplicably relieved. It would be too uncomfortable if the case was solved while riding on his own face.

Zhu Huanguang said: "It's not easy to learn how to hook marbles. In the past, young thieves who worked for the thieves for several years may not be able to learn the real skills. Especially picking marbles with a single hook requires constant practice."

"The cost of learning something for some people is high, while the cost of learning something for some people is naturally low." Jiang Yuandao.

Zhu Huanguang thought about what Jiang Yuan said and couldn't help but said: "Do you have a choice for the murderer in your mind?"

"It can't be considered a candidate. This case is originally about rich people." Jiang Yuan smiled.

What was set on fire was a warehouse supplying Jianyuan Pharmaceutical. The drugs inside were typical high-value, low-weight commodities.

In such a large warehouse, there were only two people, the female boss and the warehouse manager. As a result, the murderer killed people and burned their bodies without removing any medicine bottles. This is not something that ordinary petty thieves can do.

From this point of view, this case must be committed by an acquaintance, and the life of the female boss is targeted.

Those who went there were most likely the Yuan family from Jianyuan Company. Only they have the need to kill the mistress.

Of course, judging from the analysis of the current crime team, the murderer's goal was to steal, but when he met the female boss and killed someone, he had to cancel the theft plan and flee instead. The traces of the hook in the lock that Jiang Yuan had seen were also their evidence - the warehouse manager's cousin had relevant skills.

It sounds reasonable, but it just makes sense.

An old thief planned to steal something from a warehouse, bumped into a woman who weighed less than 100, and accidentally killed her. This seemed very unprofessional. It is even more unbelievable to kill someone and not continue to steal things, but to run away directly.

The best partner for a gangster to run away is always money. Even if he decides to run away, the right thing to do is to exchange some things for money first, and then run away calmly and happily...

Wan Baoming ran over quickly.

Then, Jiang Yuan told him about the difference between the marks left by a new key and the marks left by a hooked marble.

Wan Baoming didn't understand it very well, but Zhu Huanguang understood it, but because of this, he felt a little bit at the edge of Jiang Yuan's trace test of strength and couldn't help but become silent.

The traces of hooking marbles are familiar to everyone because they come into contact with them frequently. They are the marks left by hooks and pins hooking and pressing on marbles.

It is not so easy to distinguish the traces of newly issued keys, especially the traces of newly issued keys that do not fit properly. Some are too small, and some are too thick. Oversize will naturally leave traces, but it is easy to distinguish them. Confused with normal key marks and marble hook marks. At this time, you have to take into account the time before and after, etc.

While listening and watching, Zhu Huanguang felt that it was difficult for him to distinguish. The marbles in the lock cylinder were originally small and the size was not fixed. In addition to ordinary marbles, there were also wine glass-shaped deformed marbles and spiral-shaped deformed marbles.

All in all, Zhu Huanguang's trace detection ability can be used as a dojo, but he is completely unqualified to be a dojo in Luoli, and he is not even qualified to understand.

His ability to identify tool marks was at the end of 8, and he couldn't even estimate Jiang Yuan's strength.

Wan Baoming was more direct. He didn't even need to understand. After the general listened, he said to Jiang Yuan: "Just make your own judgment. What should we do next?"

"Look for the key." Jiang Yuandao: "This lock was removed from the back of the warehouse. The key is usually in the hands of the female boss and is not given to the warehouse manager. There is no such key in the evidence at the scene. You can ask the female boss Ask people around you to see if they can find the key, and then determine under what circumstances the key might have been stolen."

Wan Baoming nodded and said: "In this case, it is likely that the key was matched and then started. So it was probably a few weeks before the incident."

"The possibility is very high." Jiang Yuan nodded and said, "You can investigate the Yuan family and see who can hook the marbles and who can match the keys."

"Jianyuan's Yuan family?" Wan Baoming was surprised.

"kindness."

"Even if this female boss is Boss Jianyuan's mistress...well, their family does have motives, but how could the Yuan family learn to play marbles?"

"It's boring when you have money. Maybe you'll ask someone to teach you. It doesn't cost a lot of money."

"That's...okay. I feel a little silly."

Jiang Yuan curled his lips. Said: "Are there not many rich people who learn to fly airplanes but also learn to race cars? Especially those who engage in extreme sports, what can they do after learning wingsuit flying? They are not learning one after another."

"Okay, we happen to have someone over there." Wan Baoming called after looking at the list.

According to the standards of the Changyang City detachment, a team of 18 people from Jiangyuan's long-standing case team is quite suitable to investigate a murder case.

Scatter it out now and organize it on the spot when needed.

Several police officers organized themselves and soon arrived in Qinghe City.

As a criminal police officer from the Changyang City Criminal Police Detachment, they didn't have to give Jianyuan too much face. In just half a day, Jianyuan's office area was in chaos.

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