Chapter 672: Clearing Doubts

Qi Changye's body, which had just turned halfway, seemed to have been pressed by some mechanism, and turned back in parallel.

"This... do you have any news to update?" Qi Changye's memory is very good, belonging to the degree of being able to recall the appearance of junior high school classmates. The scene where Jiang Yuan updated the news before was even more vivid.

Jiang Yuan picked out a few photos, spread them flat on the table, and said: "I'll show it to you."

While speaking, Jiang Yuan pointed to a photo of the rolling shutter door lock and said: "This rolling shutter door was pried open with a special tool."

Then, Jiang Yuan put two photos of the ground lock in a row and said: "From here, it should be seen that the rolling shutter door lock was pried open with a self-made Z-shaped sleeve steel plate plus a jack."

"Have you encountered similar cases?" Qi Changye was pleasantly surprised.

"No." After Jiang Yuan calmly denied it, he said: "That's why I said it's Z-shaped. This is seen from the traces on the ground. In fact, the principle of using a jack to pry a rolling shutter door is the same, similar to a crowbar. This suspect just fixed this kind of lock-opening equipment, and should have considerable proficiency."

Qi Changye listened in a daze.

Of course, he didn't have the LV6 trace tool appraisal skill, not even LV1, so it was natural that he couldn't understand.

Seeing this, Jiang Yuan tore a piece of paper and drew a force analysis on the spot, saying: "You can show it to a familiar technician. The trace characteristics of using a jack to pry a rolling shutter door are that under the action of the upward force F, the lower edge of the rolling shutter door will be squeezed and deformed by the Z-shaped steel plate, and you will see different traces here..."

"To distinguish whether it is a jack or a crowbar, the pressure marks of the jack base are usually on the outdoor ground outside the rolling shutter door. It can't be seen in the photo, it may have been cleaned up. However, there are no crowbar traces inside the door. Crowbar traces are usually not easy to clean up, so if there are no crowbar traces, it can be determined that it was pried open by a jack."

Jiang Yuan said this section a bit convolutedly, but Qi Changye understood it easily.

Moreover, Qi Changye also emphatically asked: "That is to say, there are only two ways to pry open the rolling shutter door, jack and crowbar?"

"Judging from the traces on the rolling shutter door, generally speaking, it will only be these two types. Especially the deformation of the lower edge of the rolling shutter door, there are concave and convex pit points in the pressure marks, right? These mutual positions can reflect the characteristics of the end face of the Z-shaped steel plate."

Jiang Yuan said here, and said in a positive tone: "If you can find this self-made tool and test it with a microscope, you can completely determine the same!"

Qi Changye heard this, and didn't care what the technical reasoning was, slapped his thigh, and said: "I understand, I will go find this self-made tool immediately. This person should be a professional at prying open rolling shutter doors?"

"Possible." Jiang Yuan agreed.

Being so proficient as to make tools by himself, it must be for the sake of using and facilitating the use of such tools. Therefore, it is not wrong to say that this thief is a professional at prying open rolling shutter doors.

Of course, there must be more than one thief with similar hobbies. Even in a place like the capital, there might be people from all over the country coming to make a name for themselves, but there are definitely not many thieves who are good at using Z-shaped self-made tools.

Ordinary people may never come into contact with such people in their lifetime, and even people in the underworld may not know what their self-made tools are, but there are always people who know.

And to find information in this regard, whether it is Qi Changye or Tao Lu, criminal police like them have plenty of ways.

Qi Changye was high-spirited. After thanking Jiang Yuan repeatedly, he hurried away. While walking, he took out his mobile phone and sent a few messages quickly.

The corridor was very quiet, and the sound of the keys was rhythmic, like the sound of the Grim Reaper dancing.

Tao Lu watched Qi Changye's back disappear, closed the door, turned around and shook his head at Jiang Yuan, and said: "You spoke too fast. This kind of case is actually not that urgent. Just asking for news or something is a matter of several days, not urgent for a moment."

Jiang Yuan didn't react: "Because Director Qi said to update the news at any time..."

"You can update the news with Old Huang first. You are here with me, it doesn't look like you are updating very timely?" Tao Lu's complaining tone carried a little bit of grievance, and he taught Jiang Yuan how to do things by the way.

Jiang Yuan laughed twice and said: "I will tell Political Huang Zhengwei, but this is just a theft case."

"God knows what is connected in the theft case. Just like our criminal police cases, house-breaking and killing can also be solved along the theft case... Don't be embarrassed because of his identity. Why, can you get a free ride just because the confidentiality level is high? If you have the ability, ask for resources yourself, right? When I first started working, I even exchanged canned food with submariners. The soldiers at the radar station also spoke to the forest police in a good voice after having a tooth-beating meal..."

Jiang Yuan felt it was different, but after thinking about it, why was he thinking blindly? Just leave it to Huang Qiangmin to consider.

Looking at Tao Lu who was exuding faint resentment, Jiang Yuan took out his mobile phone on the spot and said: "Then I will call Political Huang Zhengwei."

"You call." Tao Lu smiled, turned around and picked up the old cadre cup. The porcelain jar was straight, just like an intestine, warming people's hearts.

Jiang Yuan dialed the phone and quickly explained the situation.

Huang Qiangmin listened seriously, said "Hmm," and said: "This is indeed a new situation. Hmm, I will talk to Director Guan later. He knows more about this. You hand the phone to Branch Chief Tao."

Jiang Yuan handed out the mobile phone as requested and said: "Branch Chief Tao, our Political Huang Zhengwei wants to talk to you."

"Hmm." Tao Lu took the phone and said: "Old Huang, I found that you are a bit dishonest... Hmm, hmm, hmm?"

A few minutes later.

Tao Lu handed the mobile phone back to Jiang Yuan and said: "It has been hung up. If Qi Changye has any more cases, I will help you communicate. It is estimated that he will definitely send cases over. Who wouldn't smack their lips after eating such good fat meat? Cough... I mean, Qi Changye's cases also need to be coordinated and arranged, and you can't just do it for him when he comes."

Jiang Yuan pretended not to hear the middle part. As the son of the richest man in Jiang Village, Jiang Yuan had long been used to being Tang Monk meat.

Jiang Yuan just explained: "It's because the scene in the photo is relatively obvious. And, just looking at the photos, it's relatively simple."

The difference between a one-stop solution and a reminder of key issues is still relatively large.

Tao Lu said "Hmm" and said: "In short, if Qi Changye finds you again, you contact me and Old Huang. Like today, don't throw out the answer so anxiously."

"Okay." Seeing that Tao Lu was still thinking about it, Jiang Yuan specifically explained: "We are usually willing to do one or two cases for new units."

"That's a good strategy. After eating fine bran, and then eating wild grass, everyone will have a sense of gap..." Tao Lu said, and seemed to think of something, and fell into silence for a while.

For a long time, Tao Lu sighed and said: "Forensic Doctor Jiang, have a good rest today, and choose cases with Liu Cheng tomorrow. I have communicated well with Old Huang." ===== CHAPTER 673 =====