The next day, as soon as Xu Zheng arrived at the police station, he was called to the city bureau by a phone call from the Pictorial Investigation Detachment. This temporary assignment was unusual at this time. Xu Zheng was not assigned to the conference room this time, but was with more than 20 Chang Ming people. The city's camera video analysis experts arranged for a small conference room with a huge display screen hanging on the wall in front of the conference room.
It seems that Xu Zhengneng was sent here because of his video analysis ability.
Before they officially started working, they asked this group of people to sign a confidentiality agreement. Xu Zheng took a look and found that the level was not high, so it seemed that this incident was not as important as the accidental murder.
Soon, as the task was assigned, Xu Zheng and the others began to work.
The job content is very simple, which is to analyze the videos collected by colleagues in the technical investigation, find suspicious persons in a fixed time period, and write down the reasons.
Xu Zheng didn't know until the mission was assigned to him that the death of the security guard was really one of the series.
There are three groups of tasks, and each group corresponds to a dead person. Xu Zheng and his team's task is really simple, that is, to watch all the camera videos at the place of death one hour before and after the death of these three people, and find the suspicious person.
Then this is not simple.
Xu Zheng first looked at the size of each group of videos, and the result was less than half of the usual scene. He guessed that firstly, it was because it was night, and secondly, the three incidents happened on rainy days, so there were not so many private people. The driving recorder in the car.
What was given to Xu Zheng was a USB flash drive with no text description or introduction. It just asked everyone to watch the video and find out who might be the suspect based on their feelings.
To be honest, Xu Zheng felt speechless. It was obvious that the criminal police detachment had not found any suspicious characters and could only think about whether they could find any clues in the video.
Xu Zheng picked up the security guard's poster and prepared to read it first. After all, he was slightly familiar with it.
According to the forensic identification, the onset time was around 3:30 in the morning, and Xu Zheng only needed to see one hour before and after this time period.
And because the two cameras at the entrance of the community were broken, the only cameras collected by the Physical Evidence Section were the road cameras within a 2-mile radius of the community, and the driving recorders on 26 cars during this period.
There are only 53 cameras in total. Xu Zheng watched 9 cameras at the same time. At 6 times the speed, he finished watching this set of videos in more than 2 hours.
But he found no suspicious persons. There were only 6 passers-by in a radius of 2 miles at this time. Half of them were drunk people and staggered around. Xu Zheng marked them.
Then look at the second set of videos. The incident occurred in Nanjiang District, Laojie Street, a street that was closed due to government projects. There were no street lights. The incident occurred at around 3 a.m. three days ago. The incident occurred at the location. It is a hidden corner of two shops on the roadside.
The way of death was even more bizarre. The young girl was hanged here. The specific cause of death was not mentioned in the task list.
It basically took me more than an hour to read it. Xu Zheng marked 3 people. The main reason is that there are fewer cameras available in this street. When the power goes out at night, there are many fewer cameras on this street, and it is also on a rainy night. ...
The third group of videos contains more videos. The incident occurred in a small open park in Xuangui District. The incident occurred on a rainy night 10 days ago. The specific time of the incident is unknown, but the time of death of the deceased was probably around 1 am. The location was under a crooked tree in the park. The specific cause of death was not specified. The deceased was a middle-aged man in his 40s who secretly came to the park to fish.
This time, more cameras were collected. Although it was a rainy night, it was only about 1 a.m., and there were a lot of vehicles on the road. It was around 1 a.m., and there were a few people active in the small park. Xu Zheng found it at several entrances to the park. There were 8 teams of men and women. The camera on the rainy night could only see their figures in the lake, but it didn't matter. Several teams drove away in separate cars. Xu Zheng marked their cars.
The remaining teams found through cameras along the street that men and women basically walked into different communities separately.
No need to guess, you know these are wild mandarin ducks. On the rainy night 10 days ago, it was already drizzling at around 1 a.m., under the big trees, under the pavilions, in the corridors, and even in the park toilets...
Indeed, a field trip is cheaper and more exciting than a hotel, and there is no open record yet. However, this time it is fate, and I don’t know if this time it will destroy their family.
In addition to these people, there were also some single passers-by who got into the small bamboo forest in the park. After more than 20 minutes, Xu Zheng also marked them. There were seven of them. The cameras at the roadside intersection could probably see their faces clearly.
Xu Zheng guessed that since Zhuang Qiang hadn't had a good rest for so long, he was probably investigating these wild mandarin ducks and these seven single passers-by.
At the end of the day, Xu Zheng watched these cameras four or five times. In the end, he even doubted everyone he saw on the video, because he didn't find a single suspicious person. It was probably the same for the people in the criminal police detachment. Talented people analyze the video.
Therefore, Xu Zheng turned off the video and fell into deep thought. One was the security room at the entrance of the community, one was under the big tree in the park, and the other was in the shadow of the street. The common points were rainy nights, early morning, few pedestrians, and the ways of death were peaceful. The hanging was related, and the deceased should not be related either.
Putting these things together, Xu Zheng suddenly felt that this was very similar to the killing for excitement that he had learned in the police academy. But if this were the case, it would be even harder to find the murderer, because he was a normal person when he was normal, and only when he was Rainy nights will also reveal his crazy side.
But this is just a guess and a profile. Xu Zheng is not sure. It is just his own random thoughts. The main reason is that there is too little information at hand, and he does not even know how the deceased died.
Looking at these three death places, Ichibashi District, ** District, and Xuangui District span three districts, and these three districts are not connected. If this was made by one person, the span would be too big. When it gets older, it’s as if wherever he goes it rains and he comes out to take a shower.
Xu Zheng recalled the only community he had been to in Wanwan Village. The cameras collected outside the community did not find anyone suspicious. What if he had entered the community to hide one day or two days ago, or he was the owner of the community himself. .
Hey, this must be a good idea, but then Xu Zheng became discouraged. He could think of it, and probably the people in the heavy eucalyptus team would also think of it, but why didn't he provide them with the video of entering the community in the past three days?
"The Romance of Fairy Wood"
Regardless, Xu Zheng summarized the video, sorted out the people he marked for the first time, and wrote down the reasons for suspicion. In fact, it was not a reason. There was really no reason to think about it, so Xu Zheng wrote "based on feeling".
He also wrote down his suspicion that the murderer might have sneaked into the community in advance under the report. Maybe this could give him extra points.
After getting off work at 7 o'clock in the evening, colleagues from the graphic reconnaissance detachment came over to collect information. When Xu Zheng handed in the information, he took the opportunity to take a look. Hey, the reasons given by everyone for suspecting the target were similar to his.