"Bai Detective, I originally thought that you were just strong in logic, but I didn't expect that on-site investigation and physical and chemical analysis were so professional, and you were a high-achieving student. After Zhang waited for Sun Jie to leave, he called Bai Song aside, "Tell me about the situation of this banana water." ”

"I'm not sure if it's or not, I need to see the autopsy results. Bai Song is still more cautious: "I'm still not familiar with your side." ”

"Don't be afraid of mistakes, let's assume it's banana water, then I also watched the scene, I feel that the deceased has been in it for so long, who poured him banana water and when?"

"There were no signs of a fight at the scene. Bai Song shook his head.

"So what?" Zhang touched his neck.

"Zhao Han, what do you think?" asked Bai Song.

"Huh?" Zhao Han was startled by Bai Song's shout, and then said: "From the situation at the scene, I didn't go in to take a closer look, but they all said that there were no traces of fighting, and the deceased tried to come up with it many times, so he should have taken the initiative to drink it." ”

"Take the initiative to drink?" Zhang Suo glanced at Zhao Han, and it felt like he was saying don't talk nonsense.

The six people in Tianhua City in City A, Zhang Suo all knew him, but he was not impressed by Zhao Han, and he always felt that this young man was wooden and not very clever.

"Yes, I think so too. Bai Song agreed with Zhao Han's words.

Zhao Han glanced at Bai Song and didn't continue to speak, but there was a little joy on his face.

"Why did he take the initiative to drink poisoned water?" Zhang immediately changed his attitude, "If you want to say that, how can this case be characterized..."

"The situation at the scene is also generally seen, many bottles of liquid are not labeled, including banana water. Bai Song thought for a while: "Zhang Suo, you said, there is a saying that wine is the fragrance of Chen, why?"

"Ed..." Zhang Suo didn't expect Bai Song to ask like this, and scratched his head, "Is it purer after a long time?"

"Uh..."Bai Song's face was black, and if this was the case, wouldn't alcohol be the most fragrant: "During storage, a part of ethanol is oxidized into acetaldehyde, which is further oxidized to form acetic acid, and acetic acid is further combined with ethanol to form ethyl acetate, that is, ethyl acetate." Ethyl acetate is aromatic, and some blended wines will put some of this to smell fragrant. Of course, good wine not only produces ethyl acetate, but also other esters with higher molecular weight, which are very fragrant. And there is ethyl acetate in banana water, and things like benzen and xylene are called aromatic hydrocarbons because of their fragrance. The deceased was too thirsty and hungry, thinking that this was a liquor used for disinfection or something, and it was not impossible to take the initiative to drink it.

And, as far as I know, the taste of banana water is also similar to that of liquor. ”

"There is such a thing!" Zhang said unheard of, "I have seen it." ”

"So the cause of death was my own mistake, right?" Zhao Han interjected: "Then is this an accidental death?"

"This possibility cannot be ruled out. Bai Song said: "For example, if the deceased takes a bath here, and then suddenly receives a message from a friend, saying that his wife knows that he is here and wants to come to him, in this case, the man must run away directly and find a place to hide, and this situation may occur." ”

"What?" Zhang Suo looked at Bai Song: "Inspector Bai is young and has a lot of experience..."

"What's the matter..."Bai Song smiled embarrassedly.

"Then this situation, white team, how can you determine if it is an accidental death?" Zhao Han asked.

"If that's the case, you generally won't bring your phone, and even if you don't have your phone, and then someone else picks it up, you always have clothes when you come here to take a bath. If you go into this bathhouse, you will definitely lock your clothes, right? Ask this house, now check carefully, is there any lattice that has been locked for the past few days?"

I asked. Zhang nodded solemnly.

If the clothes are there, then the situation that Bai Song said is possible. Whatever the reason, the deceased had to hide, then hide in the equipment room, and then something went wrong.

This one is very fast. Because there are people in this bathing place who spend the night and do not clean the cabinets at night, it is very likely that the situation that Bai Song said exists.

After about 20 minutes, the front desk and waiters checked the entire men's bathroom and found that there was no such situation.

Because it was temporarily closed today, and all the customers were taken away to make a simple record, the inventory was very fast.

"Did you check the women's bath?" Bai Song asked.

As soon as Zhang Suo told Bai Song about the situation, he heard Bai Song ask this, and complained: "How can it be in the women's bath?"

Looking at Bai Song's eyes, Zhang Suo was helpless, and picked up the phone: "Check the women's bath too." ”

"When you're like this, people think I'm perverted. Zhang Suo sighed.

After another ten minutes, the message came back, and there was no women's bath.

"That's the problem. Bai Song said: "The people at the front desk have also asked, this man is estimated that no one remembers when he comes in, there are hundreds of guests of all kinds every day, and the front desk doesn't look at it much." If the man came in wearing only underwear, he would definitely be remembered, so someone must have taken his clothes. ”

"So, it still has to be filed as a homicide case. Zhang Suo nodded: "Then it's not my business, I just know a few people, I can help, file a case and follow-up investigation, or do it separately from the station police station." ”

"Don't worry, let's see the autopsy results later. Bai Song frowned a little for the first time.

In fact, many outsiders do not understand the daily experience of the police.

For example, in Jiuhe District, with a population of one million, if there are 5 homicides a year, how many unnatural deaths are there?

Conservative estimates are in three digits, or even two or three hundred.

In other words, there is a high probability of accidents at many scenes, and after the police go, if they can be 100% sure that it is an accident, death from illness, suicide, etc., then they will be handed over to the relevant departments to deal with. As long as all reasonable doubt cannot be ruled out, the investigation is carried out as a homicide until it is finally determined.

When Bai Song first joined the work, he encountered the death case of Sun, which was the one who cheated on the insurance, and committed suicide. The Shi who wrote "I have also drifted for a long time, and in the past ten years, I have been deeply gracious, and I have been a teacher and friend in death" and then jumped off the building, also committed suicide. In addition to this, he has also encountered a large number of other unnatural deaths, none of which are homicides.

The vast majority of unnatural deaths other than homicide are easy to identify, but there are also difficult ones, such as this one.

Now, Bai Song has begun to lean towards homicide, but the evidence is clearly insufficient.

On-site investigation is a big problem, although Bai Song trusts Sun Jie, but East China is not in this regard, he is always not at ease.

As a painter, Huadong is very careful, and the trace analysis can be called a masterpiece.

Moreover, there is not even a camera here, not even the door, there is no camera facing here, which is actually a serious safety hazard, and after this incident, the boss will be unlucky anyway.

But now is not the time to think about this, Wang Liang and Wang Huadong have both drunk and have no way to come over.

Liu Shuyuan's on-site investigation ability is also good, stronger than Bai Song, but he also drank alcohol, and even Bai Song himself was a little dizzy, affecting his judgment.

"Let's rest first, I don't know how long this dissection will take. Zhang said: "The case is not our case, tomorrow morning, when the station area gets the documents and files out, we will take a look at the things over there." ”

"It won't take that long to dissect", Bai Song is still a little strong now, and he is very full of food, he can't sleep, and he thinks about it: "It's our Brother Jie... He's the kind of... It's a very special kind... The kind that comes soon. ”

Sure enough, soon, Bai Song received a call from Sun Jie.

"The physical and chemical tests have yielded some results, and the dissection has also made some progress, so I'll tell you about the situation. Sun Jie knew that Bai Song was waiting, so what to say first.

Different information is different in different hands.

"There is a little bloody fluid in the esophagus, a large amount of mucus in the trachea and bronchi, which is foamy, and the left and right ribcages are congested. Pink edematous fluid and red blood cells can be seen in large areas of alveoli, and the pulmonary interstitium is extensive...

The superficial layer of the gastric mucosa is coagulated and degenerated, and part of it has been...

Ethyl acetate and xylene were detected in the stomach contents, as well as carbon tetrachloride as you mentioned, and acetone was detected in the urine..."

"Did the deceased have mechanical injuries, mechanical asphyxiation, other poisoning, hypoxic asphyxiation, drowning, other diseases, etc.?" Bai Song asked.

"None of them. His hand was a little injured, and combined with the situation at the scene, he should have smashed the door. Sun Jie said.

"How long did the wound on your hand last?"

"The injury lasted no more than 12 hours, it was smashed during the day today, and it was found at the scene that the deceased had slept on the ground with something on the ground, at least yesterday. Sun Jie said.

"That means that the deceased is more familiar with this place, yesterday or the day before yesterday after entering, he knew that someone would come here every once in a while to open the door, so he was not too nervous at first, but today he really couldn't stand it, desperately slammed the door, and finally became hungry and thirsty, so he drank this thing. Bai Song made an analysis: "According to what you said, there is no doubt that you drank banana water." ”

"Yes, yes, the report is not expected to come out until tomorrow morning. Sun Jie said: "I'll take a look after a while and leave, I'm not here to be the main knife." ”

"Niu, are you mixed with the main knife?" Bai Song sincerely admired.

Forensic doctors are actually the same as other doctors who perform surgeries, and they also have forensic surgeons, and they are basically the most experienced.

"Who knows what Zhang Suo here told others, people here still think that I am an expert from the ministry, I can only bite the bullet, otherwise it will not be good to be kicked out if I miss the cowardice", Sun Jie is quite experienced: "Fortunately, I am not dishonored." ”

"Okay, you rest early after you're done, and I'll take a closer look at this case. Bai Song hung up the phone and said to Zhang: "It's confirmed, it's just that I drank too much banana water." ”

"It's evil, I've been doing it for so many years, and I've never seen such an evil murder method. Zhang scolded: "This is the legendary self-fending type? Betting on probability? Betting that no one will open that door in the past few days, and then the deceased will definitely drink banana water?"

"Zhang Suo, you are the crux of the matter. Bai Song nodded: "So, now you have to know two things, the first thing is whether the cleaner is fixed to go to the equipment room once every three days, if not, why did it take several days to pass this time." The second thing is to find the boss and determine where they bought this banana water, and confirm whether the banana water they bought before also contains carbon tetrachloride. ”

"Is there only a part of this thing you are talking about?" Zhang asked.

"Yes, it's a very common substance. It is an organic solvent, volatile liquid, with a slightly sweet smell of chloroform, which was once widely used. However, because it reacts with water above 500 degrees Celsius to produce toxic phosgene, chlorine and hydrogen chloride gas, it is very dangerous. Moreover, carbon tetrachloride itself is a thing that is very harmful to the ozone layer, and its use is restricted in the world, and our country is also restricted from this thing. This is a manifestation of inadequate craftsmanship. Bai Song explained: "This physical and chemical property is very basic, and the university will study organic chemistry. ”

"Do you think I look like I've studied organic chemistry in college?" Zhang was speechless, "Okay, I'll just follow your train of thought and find someone." ”

When encountering a case, I am never afraid of trouble, and I am most afraid of having no ideas.

"It stands to reason that so many people are involved in this case, how come there is no progress at all now?" Bai Song was a little puzzled.

"Bai Detective, the police force on our side is not as you imagined..."Zhang Suo sighed: "Blue City is not bad, the provincial capital, but your school still has a criminal university, how many are willing to go back to Gan Province?"

"I don't agree with what Zhang Suo, let's not mention you first, just say that the criminal police I met at the scene, as well as these I met in the hospital, I can see that they are all professional after contact, you can't be arrogant. ”

"Uh..."Zhang Suo was found modestly, and he was also a little puzzled: "Indeed, the feedback of clues is a bit slow, I will call and ask, and by the way, I will take a look at what you said and find someone to check." ”

Zhang Suo can also be regarded as an outsider in this case, and Bai Song and others are outsiders, so Bai Song is worried that they may not be shared with intelligence, if this is the case, it will be very unfavorable to handle the case.

After more than ten minutes, Zhang got feedback that the case was indeed stuck now.

Because the matter is too strange, the criminal police team has filed a case for investigation according to the homicide case, and three or four waves of people have been sent to the scene to do on-site investigation, and a large area of monitoring in the vicinity is also being verified.

"Didn't the station police station take charge of this case at the beginning? Now it's all in charge of the criminal police team?" Bai Song said: "It seems that it has indeed been characterized as a homicide case." ”

"That's right. Zhang said.

"The question is, why did the people from the police station go?" Bai Song asked.

"Huh?" Zhang Suo suddenly reacted: "Damn, are they carrying me behind their backs to catch that fugitive!"

"Go, and look in their house. Bai Song suddenly laughed: "I feel that this case is in the wrong direction~"

(I have the illusion that I can add more tomorrow)