Serious Crime Unit 1

Chapter 1212 Unknown Cause of Death (9)
Jiang Yiming asked the frogman team leader Zhao Zhenqiang if their metal detectors were not sensitive enough?Zhao Zhenqiang answered with a smile: Our metal detector is the EPX10000 imported from the United States. It can detect metal buried 30 meters underground. Even a needle can be detected by the detector. The main reason why the watch was not found is that the watch is not made of metal; secondly There is no watch at all.Jiang Yiming had no choice but to tell them to call it a day.

Jiang Yiming and Zhou Ting came to Shen Dan's home. Every time Shen Dan saw the criminal police officer from the No. 1 Major Crime Team, his eyes lit up and he couldn't wait to ask: "Captain Jiang, have you caught the murderer?"

"Unfortunately, the murderer of the orchestra is very cunning. We need time. Don't worry, we will never let the murderer go unpunished." Jiang Yiming said firmly.

"Oh..." The light of hope in her eyes extinguished instantly. Jiang Yiming felt very guilty every time he saw this look from the family members of the deceased.She asked them to sit down and drink tea, and then went to draw water to make tea, but Jiang Yiming declined.

"We just want to ask you one thing. Does the orchestra wear a watch?" Jiang Yiming looked at her and asked.

"Yes, he didn't wear a watch before. He started wearing one in early October last year."

"What color is it?"

"The whole body is black, like a diving watch, what's wrong?" She looked at Jiang Yiming and asked casually, with a sad expression, dark bags under her eyes, no makeup, and looked very haggard.

"But when we did the autopsy, we didn't find a watch on his wrist. I was the first to walk into the scene, and I didn't see a watch on Guan Xuan's wrist. Could it be that his watch was left at home without being worn? "Jiang Yiming felt strange.

"He even wore that watch when taking a shower. How could he take off the watch and leave it at home? He said that the watch can measure heart rate, blood pressure, respiratory rate and blood oxygen saturation, because my husband's blood pressure is relatively high. Once the blood pressure rises, If the height reaches a certain range, the watch will alarm, so it is impossible for him to escape from the watch."

"But where did his watch go?" Jiang Yiming was puzzled: Why did the two deceased people throw away their watches after they died?

"I think it was when my husband fell to the ground that his watch fell off and was picked up by the onlookers." Shen Dan lowered his head and pondered.

"The orchestra fell from such a high place. Even if the watch falls off, it is already broken. Who would pick up the broken watch? Unless the watch is set with diamonds, but the watch is most likely made of carbon fiber and is not valuable. .Have you noticed that your watch has been picked up?"

"No, I heard that my husband jumped off the building. My mind went blank for a moment, and my heart was like a knife. I hugged my husband tightly and called his name. It was absolutely impossible to perceive everything around me, let alone see someone pick me up. Husband’s watch.”

"It doesn't matter. As long as it is proven that the orchestrator is wearing a watch on his wrist, I will find a way to find the person who picked up the watch... Are the packaging box and instructions of the watch still at your home?" Jiang Yiming thought that he should find the manufacturer of the watch, and he might be able to find it. clue.

"Yes, the packaging and instructions are in the drawer of our bedside table. I'll show them to you." She stood up slowly and walked to the bedroom. After a while, she handed the watch packaging box and instructions to Jiang Yiming.He took a look and saw that it was manufactured by Feixiang Technology Co., Ltd. in this city. It was mainly used to detect various vital signs.

It can monitor a person's blood pressure, pulse rate, blood oxygen saturation, body temperature, respiratory frequency, exercise steps, weight, calorie burning status, ECG, heart rate, etc. in real time. It has many functions and is a best-selling product. Symptom monitor.

6
Jiang Yiming handed the packaging and instructions of the flight monitor to Lu Yingying and asked her what she thought?Lu Yingying opened the manual, read it and said: "This is a monitor for monitoring and collecting vital signs. It also has a time display function. When a certain indicator exceeds or falls below the normal value, it will alarm the owner. It The data can be connected to the manufacturer's database, also called a host, allowing health experts to manage the customer's body. Of course, this costs money, but it is not high. It only costs one or two hundred yuan a month. It depends on what level the customer needs. Serve."

"If Anli and Chonchuan's watches are connected to the host, they can monitor from the host where he has been and what is his health status?"

"Theoretically, this is the case, but if the positioning function is turned on, the customer's consent is required. However, the average customer chooses not to agree to the host tracking. Just like when we download a certain APP, the developer will ask me if I allow tracking of customers in other places. In the case of apps, most people will choose to ask the app not to track them.”

"If Anli and Orchestra's watches are connected to the developer's database, then we can find their watches through the host?"

"That's the theory." Lu Yingying felt that Jiang Yiming's idea was right.

"Let's go find the developer. You also come with us. Zhou Ting and I are not experts in high technology, so we need you to take action yourself."

"You know now that I'm good at it, right?" Lu Yingying raised the corners of her mouth and smiled easily, because she had already seen the dawn of solving the case, so she was very happy, and this clue was provided by her.

"When did I say that you can't do anything anymore?" Jiang Yiming responded with a smile of approval.

Lu Yingying found out through online searches that Feixiang Technology Co., Ltd. is located in Room 1102 of the Electronics Building. The person who developed this monitor was an engineer named Shi Qian. He graduated from the Provincial Computer College and was a top student of the year with an annual salary of one million.They went to Shi Qian's office to find him. Shi Qian was a man of about 30 years old, with messy hair and a slovenly appearance. He was wearing a black sportswear. He was of medium height, with fair skin like a woman's skin, and a dull expression.

"Hello, are you Shi Qian's engineer? We are from the Criminal Police Team of the Municipal Bureau." Jiang Yiming took out his police officer ID to show him.

After reading the ID, he asked: "It turns out to be Captain Jiang. What do you want from me?" It seemed that he was an extremely efficient person, and he went straight to the topic without polite greetings.

Lu Yingying walked up to him and asked, "Is this a product you developed?" She handed him the packaging and instructions for the watch.

He did not take it, but only took a look and replied: "Yes, this is our latest product and our flagship product. The sales are very good. Do you have any questions?"

"Look at the serial number of the product. Do you know who bought it?" Lu Yingying asked.

"Well, we need to check it on the computer. Many products are anonymous, but if the product is connected to our host, it will be registered." Shi Qian sat in front of the computer, opened the database, entered the product's serial number, and took a look. Said, "This customer's name is Guan Xian. I heard he is a friend of our chairman."

"Can you find out where the flight life monitor is?"

"No problem." He turned on the computer and began to track the orchestra's watch. After more than ten seconds, he said, "The watch is in the security room at the gate of the North University of Daishan Community."

"Did the watch move?" Lu Yingying asked.

"nothing now."

"Thank you for your help. Please don't tell anyone about this matter today. Otherwise, we can hold you accountable for leaking secrets." Jiang Yiming said to him seriously.

"I will absolutely obey orders!" Shi Qian replied timidly, looking in awe of Jiang Yiming.

They rushed to Daishan Community and asked two security guards on duty if they had picked up a carbon fiber watch?They all said no.Seeing that they were uncooperative, Jiang Yiming immediately asked Zhou Ting and Lu Yingying to search the house. As a result, Lu Yingying quickly found the watch in the drawer of a locked desk. It was a miracle that the watch was not damaged on the outside. Carbon fiber It turns out to be so strong, it can be said to be "soft on the outside and strong on the inside".

Jiang Yiming asked the security guard who hid the watch there?One of the people named Xia Mu said that he picked it up and put it in a drawer. At that time, he saw Guan Xian's watch about 3 meters away from the body. He knew that the watch was a high-tech product, so he secretly picked it up. Wrap the watch in a tissue and hide it in the drawer, hoping to take it out and wear it after the storm has passed.

Jiang Yiming summoned him to the criminal police team and prepared to detain him for 24 hours because he might be an accomplice of the murderer.

Lu Yingying took various types of screwdrivers, took apart the Feixiang watch, and observed it carefully with a magnifying glass. The parts inside were relatively simple, mainly including a button battery, a chip, and a circuit board. Nothing could be seen.

"Captain Jiang, we need to find an expert to check. You can also ask Shi Qian, but if he is the murderer, he will definitely not be willing to cooperate with our work." Lu Yingying thought it was best to ask Shi Qian for help.

So Jiang Yiming brought Zhou Ting and Lu Yingying to Shi Qian's office. Shi Qian felt confused. Jiang Yiming said to him calmly: "Hello, construction, we are here to ask for your help this time, not to find it for you." Trouble. This Feixiang brand watch is worn by the orchestra, because no one in our city bureau understands chips, so I need your help to see if there is anything wrong with this watch."

"Guanxuan? What happened to him?" It seemed that Shi Qian didn't know that Guanxuan was dead.

"He was murdered and we suspect the murderer had tampered with the watch."

"How to do it? This is impossible. The firewall I designed is very high-level, reaching the level of the provincial party committee archives. Even level [-] hackers will have a hard time intruding."

"If a hacker hacked into Quanxuan's watch and continued to emit current into his body, would it cause Quanxian to suffer cardiac arrest and die?" Lu Yingying asked.

(End of this chapter)