Chapter 209: Another Model
"Our laboratory has just been established, and it has not yet been applied to formal investigation work. Team Qi's news is really well-informed." Lu Husheng interrupted with a smile, because it is a newly established department, and they also want to do it sooner. After making achievements, DNA testing technology is still a new thing in China. The local police in Shenghai don't trust them very much, and they also lack cases.
"In my opinion, DNA testing technology is the future development direction of criminal investigation work. In previous criminal cases, investigators used to believe in the wrong view of evidence, and even resorted to illegal methods such as torture to obtain confessions. DNA testing technology can Reducing the importance of confession, or even achieving zero confession in handling cases, can help us avoid using these illegal methods, and at the same time reduce the occurrence of unjust, false and wrongly decided cases, which is of great significance." Half of these words were said to Qin Siyuan.
"Handling the case with zero confession? This statement is very interesting." Qin Siyuan really fell for Shen Long's set, and quickly took out his notebook to write down what Shen Long said just now. He has worked in the public security system for many years in publicity and reporting work, extorting confessions by torture and wrongful convictions. I have also come into contact with a lot, and most of the time this kind of thing is a helpless move. The time limit for solving the case is here, and the police often have to resort to this illegal method in order to solve the case.
Although the circumstances are justifiable, illegal methods are illegal methods, and there is no way to bring them to the table. Some veterans deliberately provoke the investigators to torture them, and then take the opportunity to attack the police for illegal torture to escape the crime. If DNA testing can really be used Technology enables zero confession to handle cases, and the existing case detection rate will definitely be greatly improved. At the same time, this illegal method can be avoided, which is a great thing for the public security system.
"After the test results come out, you can go back to Luzhou with me and see how we use DNA technology to find evidence." Well, Qin Siyuan has already been tempted.
"Team Qi is a top student at Handong University after all, and his thinking is active." Qin Siyuan said in admiration. There was a case of demolishing houses to break the defenses of drug dealers, and now they have come up with a DNA test to handle the case. These methods are beyond the reach of ordinary people. Thinking of it, he has already started to think about how to use this material to write a big article.
When I arrived at the DNA laboratory of the Shenghai Public Security Bureau, I handed over the cigarette butts and the hair removed from the suspects and family members of the victims to the experimenters for testing.
Qin Siyuan kept taking pictures with the camera, and the detection took some time, so after taking the pictures, Qin Siyuan followed Shen Long to the guest house of Shenghai Public Security Bureau, and asked Shen Long about the 7.23 major case.
"Officer Liu was in charge of this case before, and he also found out the criminal suspects. You can ask him for the specific situation." Shen Long didn't mind giving some of the credit to his subordinates. From the observation of the past two days Judging from it, Liu Hongsheng is a high-quality criminal policeman, and he is not the same as Li Mingjian, so he can be taken under his own hands.
"Thank you Team Qi.
"Liu Hongsheng nodded gratefully to Shen Long. He knew the weight of the "Public Security Bulletin". His name was broken, and his name had the opportunity to appear in this magazine, and was seen by colleagues in the national public security system.
These are not only honors, but also the capital for promotion. Although Liu Hongsheng has excellent professional qualities, but because of his temper, he will not please his superiors, so he has not made it for a long time, and now the opportunity has finally come.
He introduced the case in detail. Except for some information that must be kept secret, he knew everything. After listening to it, Qin Siyuan was also very emotional, "This case is indeed difficult to handle. If Team Qi hadn't found it It’s really not easy to convict the murderer after smoking that cigarette butt.”
Although he works in the propaganda department, he can easily judge the difficulty of the case after getting in touch with him more. If it weren't for the cigarette butt and DNA testing technology, it would be really difficult to determine the murderer.
"Now we are only finding a few clues. If the test results show that the DNA on the cigarette butts is a family member of the victim, or does not match the DNA of the suspect we found, then we have to continue to look for new clues." "Shen Long said modestly, in fact, with the reminder from the street tree, he was very sure who the real murderer was.
A day later, the results of the experiment came out. The test results showed that the DNA left on the butt with the longest cigarette butt was exactly the same as the DNA extracted from the hair follicle of one of the suspects.
"It is true that some people saw him appear near the crime scene when the crime happened, but I have interrogated him several times before, and he has always denied that he had entered the victim's home, and now we have found evidence." Liu Hongsheng With a look of excitement, with this evidence, the next interrogation work will be much easier.
"Okay, then let's go back tonight and re-interrogate the suspect tomorrow. This work is still for you." Qi Tongwei didn't intend to monopolize the credit. He has already got the big head, and letting Liu Hongsheng share one or two profits will not affect his political achievements at all.
"I'll go back with you. I've already applied with the editor-in-chief. I'll give you a special report in the next issue." Qin Siyuan realized that this case might become another model case in the ministry. Writing this article is also of great benefit to him.
Now he looks more and more pleasing to Shen Long. Since he came into contact with him, there has been a steady stream of material for this article.
Inviting Lu Husheng and the laboratory staff to have a meal, Shen Long took Liu Hongsheng and Qin Siyuan on the train back to Luzhou City. On the train, Liu Hongsheng was holding the materials he got from the laboratory to look through the research .
The more he watched, the more interested he was in the application of DNA testing technology in criminal investigation, and even asked Shen Long, "Qi team, can you build a DNA laboratory in our Luzhou Public Security Bureau? If there is such a I feel that many cases that have been backlogged before can be solved quickly.”
"It's not easy. Now these testing equipment have to be imported from abroad. If you want to build a laboratory, it will cost at least 10 to 20 million. I'm afraid our bureau can't afford it." You asked Shen Long in short It’s not a problem at all to get 10 to 20 million within the time, the big deal is to go to Macau, but there is no reason to use your own money for business, but it seems to be possible...