"People nowadays, who are slightly younger, don't always have their phones with them? So, I think that although the robbers prepared their own phones, they probably had their own phones with them. I pulled out all the phone numbers attached to the base station attached to the old-fashioned noika that the robbers had called earlier.”
Seeing Zhang Zhaohui and the others 'half-understanding expressions, Xu Musheng paused." Simply put, I found all the phone numbers that appeared at the same base station at the same time as the Nobel. The robber's car kept moving. Along the way, he logged into 17 base stations with his iPhone. If some of the cell phones logged into the same base station at the same time as the Nobel, and their trajectories were exactly the same, could it be assumed that these cell phones were also in the car and belonged to the robbers?”
"That makes sense!" Liu Chang Yuan clapped his hands happily.
"But there is a prerequisite." Xu Musheng smiled at Liu Changyuan." The robbers usually use our number. If it's a mobile phone number, I won't be able to check it. That's why I say we're lucky. There were two such numbers. 186xxxx3772、130xxxx9618。This is the trajectory of these two numbers."
"Then can these two numbers find the owner?”Zhou Hao reacted quickly.
"I'm doing it."
Although Xu Musheng was talking, his hands were typing quickly on the keyboard. A moment later, he found out. "The number 130xxxx9618 has been sold for a long time. The owner of 186xxxx3772 was Zhang Wenhai, and he had left his ID number when he applied for the card.”
Zhou Hao quickly took out his mobile phone and took a picture of Xu Musheng's laptop screen, sending it to the bureau to check Zhang Wenhai's personal information. Zhang Zhaohui was staring at the trajectory on the big screen. The surveillance footage was cut off for more than 30 minutes. During this time, the robbers 'car drove all the way north from Area C to Area D. There were many people on the streets during the festival, so their speed was not fast.
Xu Musheng had done everything he could. He drank the last bit of coffee and walked to Zhang Zhaohui's side to observe the trajectory of the criminal's car.
"They've been heading out of the city. It'll be troublesome if they enter the suburbs.”Zhang Zhaohui was considering where to set up a checkpoint to stop them.
"I think they're going through the outer ring.”Xu Musheng said. "Although there are errors in the positioning of the base station, it's not too ridiculous. They should be on Yanghe Road now. If they wanted to leave the city, they should turn at the road junction ahead. Further ahead was the first off-road to the outer ring.”
"Are you very familiar with that generation?" Zhang Zhaohui heard that Xu Musheng didn't have a local accent and didn't seem like a local.
"I'm not familiar with it, but I can read the map." Xu Musheng took out a laser pointer from somewhere. It should be a regular in this monitoring room. He took the laser and walked along the road. Indeed, this direction was more like the Upper Outer Ring Road.
"The robbers knew that we might be able to locate them through the phone signal. They made the call from the northeast. In their hearts, they definitely hoped to stay far away after they were done with their business. The outer ring would allow them to quickly move to the west of the city.”
Zhang Zhaohui nodded. This was indeed in line with the robber's heart. "If they really went to the outer ring, then it would be easy. The outer ring is relatively closed."
"That's right. I suddenly thought of an idea. What do you think?”
"Speak!"
"It's raining so heavily today, so a car accident is inevitable. We can consider pretending to be in a car accident and sealing up the few exits along the outer ring, leaving only one hole for them to go through. What do you think?”Xu Musheng said as he drew circles on the key areas of the outer ring of the big screen with a laser pointer.
"Yes, that's a good idea." Zhang Zhaohui's eyes lit up. "Set up a drunk driving checkpoint at the exit that's left out. The traffic police often do this, so it doesn't seem to be out of sync.”
"Captain Zhang!" Zhou Hao ran over with the phone and said," The bureau said that Zhang Wenhai is very likely to be a robber. 29 years old, no occupation, had been in the prison twice for fighting, and had a record of taking drugs.”
At about the same time, the trajectory showed that the robber's car really went around the outer ring as Xu Musheng said.
Xu Musheng changed a cup of water for himself and sat back in front of the surveillance camera. He watched the trajectory move along the outer ring for half a circle, and the speed became slower and slower. Finally, it almost crawled to an exit in the east of the city. It finally stopped completely when it was still a distance away from the exit.
……
After more than an hour, Wang Qiankun, who was sitting next to him, received a call from the front line, informing them that the two robbers had been killed by the special police and that the hostages were safe and sound.
Xu Musheng let out a long breath. He did not realize that he had been so nervous during this period of time. The news that the hostage had been successfully rescued made him relax. He felt like he had crossed the finish line of a marathon. He slid weakly on the chair, his stomach rumbling. Only then did he remember that it was already past four in the afternoon and he had not had lunch yet.
"Xiao Xu, our Captain Zhang said that you are the number one hero and we must help you get credit.”Wang Qiankun pushed Xu Musheng excitedly. Xu Musheng couldn't withstand his bear-like body. He was pushed to the ground with a bang.
"Aiyo, sorry, sorry.”
Liu Changyuan was also very happy. He helped Xu Musheng up and said,""I'll represent China United to give you the award. Tomorrow, I'll arrange for you to become a full-time employee.”
"President Liu, forget about these." Xu Musheng was not used to such blatant praise and scratched the back of his head awkwardly. "Why don't you allow me to get off work early? I have to get something to eat. I'm starving.”
"Let's go! What do you want to eat? My treat." Liu Changyuan grabbed Xu Musheng's arm, thinking that he should keep such a talent by his side no matter what.
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