The term used by Captain Qin really touches upon the blind spot of white pine knowledge.
The alkaline hydrolysis method is mostly used internationally to treat poultry and livestock suffering from infectious diseases. It can break down animal tissues, fats, proteins and other substances into soluble polypeptide chains, fatty acids, liquid glycerol and other substances, which are very clean.
But it is not that simple. It not only requires corresponding chemicals, but also a device like this. It must maintain high temperature and high pressure for several hours to be effective.
I won’t go into details.
Only some bone fragments will be left, and the rest can all be discharged. All pathogens in the dead poultry and livestock will be killed, and no harmful gases will be produced.
…
The carcasses of animals and livestock treated in this way will not only have intact cells, but even intact DNA.
After listening to the introduction of the Qin team, Bai Song and his friends were stunned.
Is there any such operation?
"Then can this be used as evidence?" someone asked.
"It would be easy if it happened on the night of the crime, but it's too difficult now." Captain Qin said, "This laboratory needs to be disinfected every day. After more than ten days, the evidence at the scene has been destroyed. However, it is still possible to extract some biological traces from the sewer."
After saying this, Qin Wushuang looked at Wang Liang and said, "Take two people and chase the surveillance camera."
At first, we only paid attention to Zheng Xiaowu's taxi ride, and did not retrieve more videos. Now we can check where Zhang Zuo went through the surveillance video.
If everyone guessed correctly, Zhang Zuo must have thrown away some of Dou Jianli's clothes, undissolved bone fragments, etc., and buried them in a possible safe place.
Wang Liang and Captain Qin asked a few more questions, then took the two people with them and set off.
Bai Song looked at Wang Liang's back with some emotion. Ever since Bai Song left the third team, Wang Liang has become a detective in the third team. Although he has been following Bai Song everywhere recently, he can be considered independent.
…
The tattooed man was anxious when he saw that all the policemen had checked and found nothing. He wanted to ask Bai Song about the progress several times, but there were too many people and he never had a chance.
…
The alkaline hydrolysis method is too extreme, and it is only available in laboratories of pharmaceutical factories. Generally speaking, regular laboratories have usage records of any equipment, but this pharmaceutical factory has its own problems, so Zhang Zuo can basically control it.
…
Tonight, nearly half of the detachment was dispatched, including six police dogs alone.
The police dogs are not from the criminal police team. They belong to the patrol special police detachment in the Jiuhe Branch. Basically all of them have been dispatched today.
Not only this side, but Team Jiang also sent people to help.
The narwhal horn really existed and was placed by Dou Jianli in the gap at the back of a large cabinet at home. It had been taken away by Captain Jiang and others. Bai Song saw this half horn, but he couldn't make out anything.
Of course this is normal. If it was so easy to see, Dou Jianli would not have failed to notice it.
This should be the same as the 100,000 Vietnamese dong. Special methods were used to keep the secret and it requires professionals to handle it.
In order to find Dou Jianli's body, Team Jiang also provided some technical support. In fact, the police and Team Jiang had the same equipment, but each had their own special methods.
Wang Liang quickly tracked down the car from the video, discovered the approximate location where Zhang Zuo got off the car, and contacted the taxi driver through the license plate number.
The clothes were thrown away by Zhang Zuo, and there is no way to trace them back. After verification, it was found that they were picked up by sanitation workers ten days ago. After going through N procedures, it is really unrealistic to find a few pieces of garbage.
However, the bones were not thrown away.
Wang Liang used the video from the camera to build a grid-like three-dimensional model and performed an AI analysis of the places where Zhang Zuo might have buried bones.
Because Zhang Zuo was not under surveillance everywhere, the result of the AI analysis still covered a large area, so Team Qin directly ordered a carpet search.
After a whole night of hard work, I finally found the last piece of the puzzle.
The buried bones were discovered by the two dogs that barked when they were smelling the sofa.
Zhang Zuo's shed hair was also found at the burial site.
…
It was already dawn.
"Now, I want to see what kind of expression Captain Zhao has." Wang Liang said proudly with dark circles under his eyes.
"Which Zhao team?" Bai Song asked.
"The one from the Newport branch."
"What a promising future!" Bai Song snorted, turned around, and his face was full of smiles.
Now is an era that values evidence over confessions. Zhang Zuo will definitely say nothing. These people are engaged in this industry and have received special training, but there is no problem if they don't say anything.
Now there is enough evidence to convict Zhang Zuo of his crime and sentence him to death.
Ding Jianguo's crime is entirely determined by Captain Jiang and his team. This matter has nothing to do with Bai Song and others, but this is a good thing, otherwise it would always feel weird.
Maybe that's why there is a recusation system.
Zhang Zuo's puzzle has been pieced together bit by bit, and the case that happened in the Xingang Branch has also come to an end. The only small problem is Zhang Che's matter.
Now Bai Song suspected that in the case of Sun's suicide, it was Zhang Che who found connections for Sun, which made the subsequent compensation arrive quickly. This does not mean that Zhang Che was kind enough to help Sun. Bai Song felt that this routine seemed a bit familiar.
It felt like... as if Chang Cheh had found a way to force Sun to commit suicide.
This is similar to what Chang Cheh did when he arranged Zhang Zuo to live in Zhang Shuyong's home.
It is not the right time to analyze this now. Anyway, all those who should be arrested have been arrested, and Zhang Che has also been found out about some other things that are related to Captain Jiang and others, so he will definitely not be able to get out.
…
It's time to take a break.
Two cars from Jiuhe Branch and one car from Team Jiang drove to Xingang Branch to escort Zhang Zuo.
In addition to them, another car also came over, and the Tianbei Branch also wanted to take people away.
The murder case that was investigated all night last night was actually a case within their jurisdiction, but it was forcibly taken away by the Jiuhe Branch.
The three branches argued for this matter for a long time, and among them, the Xingang branch had the weakest voice.
Although they arrested someone, the case was not strong enough. The Jiuhe Branch Office was responsible for the murder...
Captain Jiang and others also wanted the person, but they stood on a united front with the Jiuhe Branch. It didn't matter where they put the person, it would not affect the outcome.
Zhang Zuo probably never dreamed that after his background and what he had done were exposed, so many units would be vying for him.
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