Detective From the Future

Chapter 153: Many difficulties.



Chapter 153: Many difficulties.

The three teams returned to the police van, Zheng Kaixuan sat in the second row, spread out a map of Moon River, and drew a circle with a pencil: "This is where we are now, and we are located in lower Moon River, and the river bed is more than 100 meters wide."

Han Bin observed the map and pointed to the river upstream: "Moon River has a total length of more than 30 kilometers, and the course of the river is not a straight line. If we go to the upstream side, from here at 14 kilometers, we will make a bent angle of almost 90 degrees and we will be at the drainage area with roughly an area of 200 square kilometers, it is not easy to determine the specific place where the body was a dump."

"There are at least dozens of villages on both sides of the river, and the investigation workload is too great," Li Hui said.

"Since the investigation is difficult, let's start looking for a place where the body is most likely to be dumped," Zheng Kaixuan took a pencil and drew an X on a bridge crossing the river upstream: "There are two bridges on the upper Moon River, let's start the investigation from these two bridges."

"Captain Zheng, is it a guess, or did you find clues, why do you think the suspect is going to throw the corpse off the bridge?" Sun Xing wondered.

Zheng Kaixuan found no new clues. It was just speculation based on his experience. He replied: "Sun Xing, if you were a suspect and wanted to throw a body into the river, what position would you choose?"

Sun Xing After thinking for a moment: "As Han Bin said, this is a scenic area and there are a lot of people here, so I definitely won't throw dead bodies here; I should move along the river and find a place to throw the body into the river."

"The method of throwing the corpse into the river is difficult. There are no roads coming to the riverside on either side of the Moon River, so the suspect's car will be unable to get to the river at all, and the banks on both sides of Moon River are wet and very difficult to access by car, and it will be very inconvenient to carry the body to the river; and even if he reluctantly carried the body to the river, he will simply throw it on the edge of the river, but there the water level is very shallow, so with heavy objects attached to the body it will sink and stay on the bottom, and it is very likely that it will fail for a short time and will surface soon after and that it was discovered a long time ago," Zheng Kaixuan analyzed the throwing of the body into the river: "It's much easier to throw the body from the bridge. The car drives directly on the bridge, and the trunk can be thrown a few meters from the edge of the bridge; the point l The most critical is that it can be thrown directly into the center of the river where the water level is deep and the heavy objects sink directly to the bottom."

Han Bin listened with great interest. The bridge is very likely the major point to throw the corpse. If the ropes attached to the heavy objects were unbroken, the corpse would be uncarried downstream by the current, and the case would be undiscovered.

"It's amazing, as expected from the Zheng team, why didn't I think of it," Li Hui's flattery was very direct, with no intention of covering up.

Zheng Kaixuan was speechless, could it have technical content?

"Captain Zheng, your speculation is very reasonable. I also believe the suspect may have thrown the body from the bridge, but it is not easy to determine which one," Han Bin took out a cigarette pack and passed out a cigarette to everybody.

"The water level of Moon River is high, and the water flow is relatively fast. If you want to go fishing in the river, the upstream valves must be closed. If there is no evidence, it is difficult to apply to senior leaders to ask them to close the floodgates based on my personal speculations," Zheng Kaixuan said.

The function of the lock is to control the water level and the flow of floods, if there is a problem, it is not insignificant.

"No wonder the suspect liked to throw the corpse into the river. The river is a natural barrier. We can only watch and search," Sun Xing sighed.

"Fortunately, it's not the Yellow River or the Yangtze River, otherwise we can only die from this heart," Li Hui said with a smile.

"If we knew the identity of the corpse, maybe the family members of the deceased would have announced its disappearance," Wei Zi Mo said.

"Don't talk about those useless things, think about the clues instead," Zheng Kaixuan scolded.

"There should be surveillance on the bridge," Sun Xing said.

"It's impossible to say. Besides, there are also blind spots in surveillance. Who would throw a body in front of the camera?" Wei Zi Mo thought it might not be too big.

After everyone had been silent for a while, Han Bin said: "I have a stupid way. Maybe I can find some clues."

"If there is surveillance on the bridge, naturally it is easier to check the surveillance of the bridge; but if there is no surveillance on the bridge, we can check the surveillance around the bridge, classify it according to the different directions of circulation, and record the average time between passing vehicles in front of the two monitoring points, and it will be very easy to find the suspect's car. The suspect should observe the surroundings, and the car will definitely not drive too fast, and the body will be dumped when no one is around. In addition, parking, transporting the corpse, and dumping the body into the river will take some time. The vehicle traveling between these two watchpoints spends more than time," said Han Bin.

"Tsk tsk, this method is quite stupid," Li Hui spread his hands.

"Stupid and a little stupid, but as long as we check carefully, we might find some clues," Wei Zi Mo muttered.

"Where can there be so many clever methods in criminal investigations? Criminal suspects are not stupid. They have long avoided methods that can be easily caught," Zheng Kaixuan agreed.

According to his experience in dealing with cases, more than 70% of cases are solved by dumb methods.

"These two bridges, one is about 4 kilometers upstream, the other about 11 kilometers upstream, and there is a backwater bay about 8 kilometers from here, if the body is thrown from the bridge located 11 kilometers upstream there is some possibility that the body will wash up in Backwater Bay, so it is more likely to dump this body from the bridge 4 kilometers from here, let's focus police work to investigate first on this bridge," Zheng Kaixuan arranged.

Everyone nodded and agreed with Zheng Kaixuan's arrangement.

"Captain Zheng, I suggest copying the video recordings of the surveillance cameras around the two bridges before starting to investigate near the bridge and making the official comparison of the vehicles passing between the two surveillance points. The time for the deceased to be killed is around 20 days, and the time to dispose of the body can be around 20 days or less. We can watch the tapes from that time then maybe we discover something." Han Bin was worried.

"Yes, very thoughtful," Zheng Kaixuan nodded and said: "Han Bin and Li Hui will collect surveillance footage near the 4-kilometer bridge; I'll take Wei Zi Mo and Sun Xing to collect surveillance footage around the 11-kilometer bridge; by the way, during this visit, we will ask the surrounding people, 'Around August 30, did you see anything unusual?'"

"Yes, Captain."

Everyone agreed and acted separately.

Wei Zi Mo led Han Bin and Li Hui near the four-kilometer bridge and continued to rush to the bridge 11 km upstream accompanied by Zheng Kaixuan and Sun Xing.

After Han Bin and Li Hui got off the bus, they first observed the bridge. There was a stone tablet beside it, with three large Tong'an Bridge characters written on it, and a few rows of small characters beside it, which were the introduction of the bridge and the construction time. Tong'an Bridge is nearly 100 meters long, with two rows of tracks on the left and right sides, and sidewalks on the outermost side. There is a guardrail about one meter high outside the bridge to prevent pedestrians from accidentally falling.

Han Bin and Li Hui walked along the bridge. The water under the bridge was turbulent, and occasionally boats passed by, but they found nothing unusual. What made Han Bin happy is a surveillance camera was installed on the north side of the bridge, and it is very likely that the suspect's vehicle was photographed, but this surveillance did not belong to the team from the traffic police but at the transport office.

Han Bin immediately contacted Zheng Kaixuan and asked him to call the traffic bureau to apply for the registration of the transportation bureau, which was more useful than traveling alone with Li Hui to the transportation bureau. to present themselves and collect the recordings from the surveillance camera on site. Then they searched the roads on both sides with the bridge as the center and copied the recordings from the surveillance cameras of shops near the street.

Twenty days have passed since the corpse was dumped. It's been too long. After visiting the surroundings, hardly anyone remembered what happened during this time. Back at the office of the Qingdao Third Criminal Investigation Team, it was already past six o'clock in the afternoon.

Han Bin and Li Hui did not return to the office of the second group but went to the temporary office of the working group. This office was also in the building of the Qingdao Third Criminal Investigation Team, but the office of the second group was on the second floor, and the temporary office was on the third floor and was cleaner.

The office area was very large. There were more than a dozen offices on the floor, Zheng Kaixuan and the others had not returned yet, and no one was in the office, only Han Bin and Li Hui were present. . The two were not idle and started watching the collected surveillance camera records, and made a topographic map near the bridge, and pasted the number of each surveillance camera, which was more convenient for comparison.

These are only store surveillance camera recordings, and Skynet surveillance camera recordings will be brought for a while. If they don't organize and classify them, they will be confused, not to mention how long it takes each vehicle to cross the bridge.

Around 7 o'clock in the evening, Zheng Kaixuan, Wei Zi Mo, and Sun Xing returned to the temporary office. In addition to bringing back the surveillance camera recordings near the other bridge, they also went to the traffic control office and brought back the Tong'an Bridge camera recording recovered from the transport office.

Li Hui immediately checked the Tong'an Bridge CCTV recording, but what was depressing was that the Tong'an Bridge CCTV recording twenty days ago had been erased, and only the recording of the surveillance video starting from September 4 could be seen at the latest.

It was just the beginning. Li Hui checked the monitoring of some stores. Most surveillance hard drives have limited storage and can only maintain storage for about 15 days, and the video records from previous surveillance cameras have been overwritten.

Zheng Kaixuan looked as usual. He had seen this kind of situation a lot. Clues to many cases were broken after investigation. He asked Sun Xing to send Skynet's video to the technical team to try to restore surveillance content coverage with too much hope.

Luckily, Skynet's surveillance recording storage can last around a month, and new clues can be found...

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