How important was it to find the right crime tool?
In criminal cases, the crime tool was an important part of the chain of evidence.
At the same time, the more professional the crime tool was, the easier it was to locate the suspect.
For example, if a concrete wall was broken with explosives, then the police in the technical department could analyze what kind of explosives it was based on the composition of the explosives.
If it was a regular explosive, they could consider the mine and the demolition company. If it was a private synthesis, they could investigate the sales of goods in chemical stores based on the composition and find out who had a criminal record of illegally making explosives.
Explosives would make a violent sound, so it was certainly not appropriate to use it here. Then the cunning criminals used high-tech tools that even the police could not figure out.
Captain Ma of the branch came to report in a hurry that Monster Heavy Industries had the most advanced experimental analysis equipment in Jiangnan Province and could help analyze the crime tools at the scene.
Director Zuo and the other leaders almost pressed the butt of the cigarette in their hands.
The most advanced in Jiangnan Province?
If they could be ranked first in Jiangnan Province, they would be ranked in the top three or five in the country.
"Hurry up, Little Zhang, you take the things collected at the scene and bring the safe over." Director Zuo stood up and couldn't wait to assign tasks: "And the concrete, the broken concrete is also brought over. If they need it, they can also be invited to the crime scene to check. "
After the order, Director Zuo suddenly thought of something and turned around and wondered, "Captain Ma, is it Monster Heavy Industries who took the initiative to contact you? I remember that your North City Branch is in charge of that area."
"An hour ago, Monster Heavy Industries reported that their company was also stolen, and goods worth 800,000 disappeared."
"What the hell? What did you say?"
The hearts of the leaders in the room beat violently in an instant.
It was really a case of continuous rain. The matter of Daimeng Jewelry Company had not yet been sorted out, and something had happened to Monster Heavy Industries.
"Check, do everything possible to find out and catch these people. I will let them deeply understand what is the iron fist from the Zhongyun City police." Director Zuo's cheeks bulged high.
Fifteen minutes later.
A police Iveco and two sedans sped toward the Blue Sky Building with sirens blaring.
Zhang Zhitong sat in the car and looked at the huge and bulky safe beside her. Her thoughts were a little messy.
Around the two round holes in the safe, there were traces of high temperature ablation. The trace evidence laboratory did not find out the specific composition of the combustion, but it was certain that it was not the traditional oxygen ablation. The police were very familiar with the marks left by oxygen ablation. Many second-rate robbers liked to use it to cut iron doors.
Oxygen cutting couldn't cut open the safes at all, and it was impossible to burn a total of ten coin-sized holes in the five safes in a short time.
After all, there were only three robbers at the scene. Excluding the time needed to tear down the wall, the time left for them to break open the five safes was only half an hour.
The entire technical department thought about it for a whole day, but they still couldn't figure out the principle.
Now, Mr. Ye from Monster Heavy Industries offered to help them test it. This Mr. Ye was her high school classmate, Ye Qing.
Ever since the last time she went to the Silver Palace to arrest someone and accidentally barged into this old classmate's private room, Zhang Zhitong had never seen him again.
This old classmate of hers had completely made a name for herself. Not to mention that she was doing the best in school. From the establishment of Zhongyun University to the present for more than 60 years, Ye Qing was also doing the best.
Not seeing her old classmate didn't mean that Zhang Zhitong didn't understand the situation of her old classmate.
On TV, in the news, on the Internet, in newspapers, and in discussions, Zhang Zhitong had heard and seen too many stories about Monster Heavy Industries.
"Chief Zhang, I heard that you and the president of Monster Heavy Industries were junior high school classmates?" Sitting across from her, a policewoman in the trace examination room grinned. "If this Mr. Ye really has the ability to detect important clues, then won't our technical department be developed in the future?"
"If you encounter any problems, you can directly find your old classmate."
"Little Liu, other people's laboratories also cost money. Usually, those well-known laboratories cost hundreds of thousands of yuan to do a test. If we always bother others, how many times do you think my face is enough to brush hundreds of thousands of yuan? "
"Of course, you can brush it many times. Chief Zhang, you are the recognized beauty of our Zhongyun Police Force. Which man doesn't have ideas when he sees you?"
"Well, don't flatter me. These days, there are more police officers and school flowers than criminals." Zhang Zhitong shook her hair. "Which man with ability wants to marry a policewoman, especially a criminal police officer? Three hundred and sixty-five days a year, three hundred days out of three hundred days of the year."
"Do you know why Jiang Xuan of the squadron last Tuesday and his wife blocked the squadron captain in the street and scolded him?"
"Chief Zhang, tell me quickly. I've heard a lot of people talking about it. But when I went up, they all pretended to be mysterious and said that I wasn't married, so I couldn't know about it. "The policewoman in the trace examination room had her eyes shining, and the fire of gossip was burning.
"Jiang Xuan's wife wants to divorce. She's probably very angry. When she was shopping, she met the squadron captain and pointed to his nose and scolded him. She said that I've been intimate with the man in bed three times this month, and you, the squadron captain, got me out of it with a phone call. "
The young policewoman laughed out of breath, but the topic was not funny. She turned the topic back to the president of Monster Heavy Industries. It was said on the Internet that Mr. Ye had ordered the world's most expensive and fastest private business jet.
During the chat, three police cars had unknowingly stopped outside the Monster Industries Building.
After getting out of the car, two technicians received Zhang Zhitong and her party.
"You … Where's Mr. Ye?" Zhang Zhitong always felt a little embarrassed. After all, the two hadn't seen each other for a while.
"This officer, please come in. Our president is in the laboratory."
Zhang Zhitong led a group of policemen and followed the two technicians to the interior of the civil air defense project.
Along the way, they were surprised. After passing through a thick blast door, they changed into white lab coats under the reminder of the technician and walked into the laboratory with pure white as the main theme.
The surprise of Zhang Zhitong and her colleagues rose to the top.
What kind of laboratory is this? It's clearly a treasure house full of golden mountains.
All the equipment in their bureau is here, and they are all the best models. For example, their bureau has an electron microscope, and here is a ten-times advanced electric scan and atomic probe. They have a metal composition analyzer, and here is an X-ray fluorescence spectrometer.
They have a trace element detector, and here is an atomic absorption spectrometer.
If the laboratory equipment here is compared to a supercar, the equipment in their bureau is the kind of remote-control battery car that children sit in.
However, most of the equipment was high-end equipment that they couldn't even name.
"Officer Zhang, we meet again." The only one here who didn't wear a white coat was Ye Qing. He stood in the middle of the laboratory with a smile, and his eyebrows kept jumping at Zhang Zhitong.
"Long time no see, Ye Qing." Zhang Zhitong also raised her eyebrows, and the group of technical geeks in the laboratory swallowed their saliva.
Superfluous words are not suitable for now. Ye Qing waved his hand and motioned for the police to bring over the things to be tested.
A large box of messy concrete blocks, a bulky safe, and some scattered debris.
Ye Qing knew that the police wanted to figure out what equipment the criminals used to break the concrete wall and the safe. In fact, Ye Qing himself was very curious.
Under the puzzled gazes of these police officers, the researchers in the laboratory carefully placed the concrete pieces one by one into a large sealed apparatus.
The appearance of this instrument is very sci-fi. On the pure white hatch cover, there is only a humble light green observation window, which makes people unable to figure out the purpose.
Zhang Zhitong asked the question that all the policemen wanted to ask. What is this instrument used for?
"Holographic scanning, reconstruct this concrete wall with a digital model."
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