Police Detective

"Department Zhuang, you Inspector Bai, you have something in your hand." The Liu Detachment of the Xijing Division had a solemn expression: "The Wang team just told me that there is really something wrong with this case."

"If it's very simple, the team will not arrange for us to come over." The Zhuang Detachment has a sense of "Bai Song is my person", and is slightly cold: "After all, the team leader has a lot of knowledge."

"That's that." Liu Detachment took out a cigarette and handed it to Zhuang Detachment: "I hope there will be results soon."

...

In just half an hour, the person in charge of the case in the Xijing Criminal Investigation Detachment had changed from Xiao Zhao to the captain of the Second Brigade.

To characterize a case as an accident or suicide, all reasonable doubts must be eliminated.

But the fact that the balloon does not reach the explosive limit is enough to attract attention.

...

Figure detective room.

"The situation just mentioned is also very simple. Generally speaking, the correct camera is a parallel perspective effect, that is, horizontal lines converge together in the distance... But this kind of luminous wide-angle is not like this, there will be obvious distortion. The operation is also relatively simple, take out this image a few seconds before the explosion of B, then open the PS software, select the filter-adaptive wide angle, and then set to perspective. Then you need to add... um... six constraints Line, so... well, you also need to add a rotation constraint line, and then... the rotation constraint line is vertical..."

A group of detectives: ╮(╯▽╰)╭

Is PS software used in this way?

After the operation is over, a repaired picture is created.

"Why is it a bit crooked here?" someone asked with sharp eyes.

"This is the problem," Wang Liang thought for a while, and said: "We still need to intercept a few more pictures to verify."

This camera has 25 frames, and the current software can't intelligently repair the video. Wang Liang intercepted more than a dozen pictures from it and found that they were crooked.

"What could be the problem..." Wang Liang thoughtfully.

Seeing Wang Liang's thoughts, everyone started to think too.

…

"Could it be the air conditioner..." a new policeman asked weakly next to him.

"What nonsense, Captain Wang is a computer god, so talk less." The Deputy Captain Tuzhen next to him patted the head of the new police officer.

"Yes, do you know who Captain Wang is? How come you can't see the outdoor unit of the air conditioner?" Another old detective educated.

Wang Liang blushed gradually...

Yes... it was caused by the outdoor unit of the air conditioner...

Generally speaking, buildings are very large, and there is no need to consider such things as air conditioners to draw constraint lines, but this house is not big. If you forget an outdoor unit of an air conditioner, it is likely to be skewed.

After discovering the problem, Wang Liang subconsciously intended to fool it with his own methods, and then gave up the idea and looked at the new policeman, "What you said makes sense, this needs to be considered. How about you try to get started?"

"Captain Wang," the new police officer shook his head immediately: "I can't. I just like photography sometimes, but I'm just getting started."

"That's great too." Wang Mingliang nodded, and then began to readjust the photo.

Captain Tu Detective smiled and patted the new police on the shoulder.

The new photos were normal. After Wang Liang made a few photos, we analyzed them together and found no problems.

"Do you still need to continue to do it?" asked the deputy captain of Tuzheng.

"Choose a few more time periods. The method is not difficult. You can get it. I will talk to Inspector Bai to talk about the situation." Wang Liang feels not very good. It's not just what happened, but because he has been from the past few days. Looking at the video in general, the effect of the investigation of this case is not necessarily great.

At present, some departments rely solely on monitoring to handle cases. This is not advisable. Wang Liang knows that monitoring is not a panacea, and a lot of things are needed to handle cases. To put it more clearly, I rely on Baisong.

...

"You mean, no one entered the house in advance to make arrangements?" After listening to Wang Liang's narration, Bai Song felt slightly Chen Si.

"Well, no one has been in except for the deceased's son and daughter." Wang Liang said affirmatively: "There is another person who passed by a few minutes before the bombing of B and looked inside."

"What did these two people bring?" Bai Song asked.

"The son brought a cigarette and two bottles of wine; the daughter brought a handful of balloons, a cake and two bottles of wine." Wang Liang said, "Look at the photo."

Bai Song looked at the photo carefully.

Because the weather is already very cold now, and heating will be required soon, Yao's son and daughter wear more clothes, but from the physical state, there is nothing hidden inside.

The cake brought by his daughter Yao Xin is still a transparent box, and it doesn't seem to be a problem.

The wreckage of the cigarette brought by my son was also found on the scene later, and it was indeed a state formed after the whole cigarette was burnt directly.

Because the fire lasted for a short time, the smoke was not completely burnt to ashes. On the contrary, the high-grade liquor brought by the children was burned to pieces by the torch bottle. The wine inside also played a role in supporting combustion. From the subsequent situation, Yao Death has nothing to do with these wines.

"So, why did the B explosion happen, and what was it?" Wang Liang looked puzzled: "According to the situation you said, at least a few cubic meters of hydrogen is needed."

"Then it may not be the cause of hydrogen." Bai Song pondered for a while: "Wait and watch Wang Huadong and Liu Shuyuan's site survey."

...

After Wang Liang left, the image investigation department continued to check all kinds of video materials. Many people started to work together, selected dozens of time periods, and corrected hundreds of pictures, but still no problems were found.

This result was very frustrating. The Zhuang team also specially came to the office here to ask Bai Song. Seeing that Bai Song was reading the transcripts here, they did not bother.

Bai Song saw several valuable information from multiple transcripts.

First of all, several people have proved that Yao is in arrears of wages~www.novelmtl.com~ Now there are still three months before the Chinese New Year, but the wages of the workers who followed him have not yet been paid.

The general contractor will always say that the end of the year is over, but once there is a default, the worker is not a fool. Now not every worker is "waiting for the party", especially when it comes to his own vital interests.

In the past month, Yao's workers have had too many conflicts with him.

In addition, some people say that Yao's children are good to Yao, especially his son, who basically come every week. However, some people say that the son is here to ask Lao Tzu for money.

The latter is corroborated by the fact that the police investigated the consumption record of his son Yao Lei, which is indeed several times higher than that of an average college student and much higher than that of his daughter Yao Xin.

In addition, some people said that a few minutes before B bombed, passing by here, they saw Yao from the window looking at the phone, and the candle was still lit. Because both of them are bright, they are easy to spot.

In other words, the explosion of B was not due to the sudden ignition.

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