Detective from The Future
Chapter 153: Difficulties
The three teams returned to the police van.
Zheng Kaixuan sat in the second row, spread out a map of the Moon River, and circled it with a pencil: "This is where we are now. It is located at the lower reaches of the Moon River. The river bed is more than 100 meters wide. "
Han Bin looked at the map and pointed to the river upstream:
"The Moon River is more than 30 kilometers long, and the river is not a straight line. There will always be an angle of nearly 90 degrees when you go upstream 8 miles, and the drainage area is nearly 200 square kilometers. It is necessary to determine the specific location of the corpse. easy."
"There are dozens of villages on both sides of the river, and the workload of investigation is too great." Li Hui echoed.
"Since the investigation is very difficult, let's start looking for the most likely place to throw the corpse." Zheng Kaixuan took a pencil and drew an × on a river-crossing bridge upstream:
"There are two cross-river bridges in the upper reaches of the Moon River. Let's start the investigation from these two bridges."
"Team Zheng, do you have any basis, or have you found some clues, why do you think the suspect will throw the corpse from the bridge?" Sun Xing doubted.
Zheng Kaixuan did not find any new clues. This was just a speculation based on his experience. He asked, "Sun Xing, if you are a criminal suspect and you want to throw your body in the river, which position would you choose?"
Sun Xing pondered for a moment: "Just like Han Bin said, this is a scenic area with a lot of people visiting. I will definitely not throw corpses here; I should walk up the river and find a place where there is no one. Place, throw the body into the river."
"This method of throwing corpses has a certain degree of difficulty. There are no straight roads on both sides of the Moon River. Your car will not be able to drive through. It will be very inconvenient to carry the corpses. Moreover, the rivers on both sides of the Moon River are very steep. When we got to the river, it was just thrown to the edge of the river. The water level was very shallow, and the body was tied to a heavy object. It was probably stranded and was discovered long ago." Zheng Kaixuan analyzed the corpse thrown in the river and pointed to the bridge across the river. :
“It’s much simpler to throw a corpse on the bridge. The car drives directly onto the bridge. The trunk may be only a few meters away from the edge of the bridge. The most important point is that it can be thrown directly to the center of the river, where the water level is deep, and heavy objects will sink to the bottom. ."
Han Bin listened with gusto. The possibility of throwing a corpse on the bridge is very high. If the rope of the headless corpse with a heavy object is not broken, the corpse will not be washed downstream by the water, and the case will not be discovered.
"Awesome, worthy of being the Zheng team, I didn't expect it." Li Hui's flattery was straightforward, without any concealment.
Zheng Kaixuan looked speechless, could he be a bit technical.
"Team Zheng, your speculation is reasonable. I also think that the suspect may throw the body on the bridge, but it is not easy to determine this." Han Bin took out the cigarette and gave the crowd a circle.
"Can you go directly down the river to salvage, maybe you can find the head of the corpse." Wei Zimo suggested.
"The water level of the Moon River is relatively high and the current is relatively rapid. If you want to go down the river to fish, the upstream gate must be closed. If you can't provide evidence, it is difficult to apply to higher leaders based on my personal speculation." Zheng Kaixuan Said.
The function of the gate is to control the water level and discharge the flood. When something goes wrong, it is not a trivial matter.
"It's no wonder that suspects like to throw corpses into the river. The water is a natural barrier. We can only look at it and search it." Sun Xing sighed.
"Fortunately, it is not the Yellow River or the Yangtze River, otherwise we can only die of this heart." Li Hui smiled.
"We knew that we should look for the source of the corpse. Maybe the family of the deceased had already been reported missing." Wei Zimo said.
"Don't talk about these useless things, think about clues." Zheng Kaixuan scolded.
"There should be surveillance on the bridge," Sun Xing said.
"It's hard to say. Besides, there are dead spots in surveillance. Who will throw the body at the camera." Wei Zimo thought it might not be big.
After everyone was silent for a while, Han Bin said: "I have a stupid way, maybe I can find some clues."
"Don't care if it is spiritual or stupid, as long as you can find a clue." Zheng Kaixuan said.
"There is monitoring on the bridge. Naturally, it is the easiest to check the monitoring of the bridge; but if there is no monitoring on the bridge, we can check the monitoring around the bridge, classify according to different driving directions, and record the average time of the car driving between the two monitorings. Even if it is easier, the suspect must observe the surroundings. The car will definitely not drive too fast. When there is no one, the corpse will be thrown. In addition, parking, transporting, and throwing into the river will also take a certain amount of time. Other vehicles traveling in the same direction spend a lot of time." Han Bin said.
"Tsk tusk, this method is stupid enough." Li Hui spread his hands.
"Stupid is a bit stupid, but as long as we check carefully, we might really find a clue." Wei Zimo muttered.
"Where are there so many clever methods in criminal investigation? The suspects are not stupid, and the methods that can be easily caught, they have long avoided." Zheng Kaixuan agreed.
According to his case handling experience, more than 70% of cases are solved by clumsy methods.
"The two bridges, one is about 4 kilometers upstream and the other about 11 kilometers upstream, and there is a turning backwater bay about 8 kilometers from here. If the body is thrown from the bridge 11 kilometers upstream, it will definitely be It was stranded in Backwater Bay, so it is more likely to throw dead bodies on a bridge 4 kilometers away. Let’s focus on the police to investigate this bridge first.” Zheng Kaixuan arranged.
Everyone nodded and agreed with Zheng Kaixuan's arrangement.
"Team Zheng, I suggest to copy the surveillance video around the two bridges before the official comparison of surveillance. The time for the deceased to be killed is about 20 days, and the time to throw the body may also be about 20 days. It may be covered." Han Bin worried.
"Yes, very thoughtful." Zheng Kaixuan nodded and ordered:
"Han Bin and Li Hui collected surveillances near the 4km bridge; I took Wei Zimo and Sun Xing to collect surveillances near the 11km bridge; by the way, I visited the surrounding people. On August 30th, did you see anything unusual?
"Yes."
Everyone agreed and acted separately.
Wei Zimo drove Han Bin and Li Hui near the four-kilometer bridge, while Zheng Kaixuan and the three continued to rush to the upstream bridge.
After Han Bin got off the car, they observed the bridge first. There was a stone monument standing next to it with three large characters, Tong'an Bridge, and a few rows of small characters next to it, introducing the bridge and the construction time.
The Tong’an Bridge is nearly 100 meters long, with two rows of lanes on each side, and a sidewalk on the outermost side. There is a guardrail about one meter high on the outside of the bridge to prevent pedestrians from accidentally falling.
The two of Han Bin walked around the bridge, the water under the bridge was turbulent, and occasionally boats passed by, but nothing unusual was found.
What makes Han Bin happy is that a surveillance system is installed on the north side of the bridge, and it is very likely that the suspect's vehicle will be photographed, but this surveillance does not belong to the traffic police team, but is under the jurisdiction of the Transportation Bureau.
Han Bin immediately contacted Zheng Kaixuan and asked him to call for surveillance. Zheng Kaixuan made a call to the Transportation Bureau, which was more useful than a trip with Li Hui himself.
Afterwards, the two Han Bin searched the roads on both sides with the bridge as the center, and copied all the monitoring of nearby shops on the street.
Twenty days have passed since the corpse was thrown, and the time has passed too long. After a round of visits, almost no one remembers what happened during that time.
Back to the branch, it was already more than six o'clock in the afternoon.
Han Bin and the two did not return to the second group office, but went to the temporary office of the task force, which is also in the criminal investigation building, but the second group is on the second floor and the temporary office is on the third floor, which is cleaner.
The office is very large, with more than a dozen desks. Zheng Kaixuan and others have not yet returned, and a group of people are not in the office. Only Han Bin and Li Hui are empty.
The two were not idle either, and began to sort out the collected monitoring, and only made a topographic map near the bridge, pasting the number of each monitoring, so that it is more convenient for comparison.
These are only the monitoring of shops, and Skynet monitoring will be called later. If you don't sort and classify, you will be confused first, let alone compare the time taken for each vehicle to cross the bridge.
At around 7 o'clock in the evening, the three of Zheng Kaixuan returned to the temporary office. In addition to bringing back the surveillance near another bridge, they also went to the Traffic Management Bureau and brought back the video surveillance of Tong'an Bridge.
Li Hui immediately checked the surveillance of Tong'an Bridge. However, what is depressing is that the surveillance of Tong'an Bridge 20 days ago has been covered, and only the surveillance video on September 4 can be seen at the earliest.
This was just the beginning. Li Hui checked some store surveillance. Most surveillance hard disks were limited in storage and could only be kept for about fifteen days. The previous surveillance videos were covered.
Zheng Kaixuan’s expression remained as usual. He had seen more of this situation. The clues of many cases were broken after investigation. He asked Sun Xing to send the video to the technical team to try to restore the coverage of the surveillance content. The report is too hopeful.
Fortunately, Skynet's monitoring storage can last for about a month, and it can also find new clues...
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