Chapter 489 Successfully Solved
"Am I the only one who suspects that he is the arsonist? The employees of the film and television base must know the rules and would not disturb the tenants, but this person sneaked in the rented yard without saying hello. According to the time of the behind-the-scenes video of Sister Taozi, the yard next door caught fire about one or two minutes after this person left. Did he use this yard to escape after setting the fire? Or maybe he was waiting in this yard to commit the crime from the beginning, because in the fire video, the door that Brother Jiang and his roommate hit was locked, and this person could not get in or out at all."
"The talent upstairs, the emperor of reasoning!"
“I think that makes sense.”
"Ditto, I think you got the truth!"
"Oh my god, watching this video again, I get a chill. Where is the happy and funny video we promised? Are we watching Detective Conan?"
…
Jiang Chengfeng stared at the netizens' reasoning and remembered what the police officer told him at school. The reason they collected everyone's DNA information was because there was a door between the two courtyards. The door was open and there were men's footprints under the door. Every adult male at the scene was a suspect.
Now the clues are connected at once!
Jiang Chengfeng decisively took out his cell phone and called the number the police left for him.
...
...
The police took it very seriously and immediately obtained the original uncompressed video from Tao Zhiyao. This was when the role of Tao Zhiyao's professional camera worth 100,000 yuan came into play. Unlike the poor quality of ordinary surveillance cameras, the criminal investigation personnel magnified the video ten times and were able to clearly see the man's facial contours, not to mention his specific attire.
With detailed appearance information, it is much easier to solve the case.
On the day of the fire, there were problems with the surveillance videos in the two yards, but the surveillance in other places was fine. The police retrieved all the surveillance videos near the yards, focusing on the content before and after the man appeared. They quickly outlined the man's movements and confirmed his identity.
In fact, the police have already made a preliminary inference. They believe that the arson suspect is an insider of the film and television base, because only an insider would know where the inconspicuous door is and could specifically damage all surveillance and smoke alarms.
And their inference turned out to be correct. This man was of high status and was the electrician supervisor at the film and television base.
The criminal police were very efficient. The next morning, they went to the film and television base to arrest people.
The police entered the staff office, and the staff were all confused. Before they could react, their colleague was handcuffed. In full view of the public, the man was dejected and escorted into the police car by the police.
Without any torture, the man confessed everything.
He was the one who set the fire, and the specific circumstances were similar to what the police and netizens had deduced. As for some details: he and his colleagues designed the surveillance and smoke alarm layout of the film and television base. He had the location drawings of these devices. A week before the incident, he entered the two yards in the name of maintenance and replaced the batteries of all the smoke alarms with scrapped batteries. All the surveillance was connected by one line, so he only had to fix the main switch.
The division of labor and management at the film and television base is relatively strict. The gates of venues that are not in the lease period will be locked. Even internal staff who are not responsible for this work will not have the authority to open the door, and the keys are also kept by a dedicated person.
But this man often had to assign work to the workers and could easily get the rental information of various venues. He knew that the "Ming Dynasty Yard" was rented by a college student that afternoon for the purpose of shooting a group activity video, and that a staff member would go to open the door half an hour before that. He took advantage of this time difference and slipped into the yard. He easily pried open the rusty old lock on the door, entered the next room, and began to prepare for arson.
The rope Jiang Chengfeng saw was the "delayed ignition device" designed by this person. He originally planned to put the burning cigarette butt on one end of the rope and the other end on flammable clothes. But when he actually put it into practice, he found that this method did not work. The rope was too thick and the cigarette butt went out after a while. He had to use the most primitive method, using a lighter to directly ignite the clothes and immediately escape.
Then he was filmed in the video of "young ladies".
It was obvious that this was a well-planned arson incident. The entire plan was flawless. The roads in the film and television base were narrow, and it took coordination and time for the fire truck to come in. Given the intensity of the fire and wind direction at the time, by the time the fire truck arrived, both yards would probably have been burned down, and there would be no evidence left.
But he never expected that these college students would intervene to put out the fire. Under normal circumstances, shouldn't they have immediately fled for safety? In the end, not only did he fail to accomplish his mission, but he himself was also exposed.
The police asked him what his motive was for the arson.
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