"Han Bin, say something."
Han Bin glanced at his notebook, "The incident took place at the Jiujiang Barbecue Restaurant in Wanda Mall. I was also eating at that restaurant at the time, and I was one of the witnesses. However, I didn't notice the deceased before the incident. Until the deceased's girlfriend Ma Xiaolin Shouting, I ran over to check the situation.
The time from the poisoning to the death of the deceased was very short, about a few minutes. I called 120 and the police, and everyone knew what happened afterwards.
There were quite a few people at the scene when the crime happened, and the relevant personnel have already made notes. The deceased and his girlfriend Ma Xiaolin entered the restaurant at 6:32 p.m., were poisoned at 6:50 p.m., and died at 6:57 p.m. According to the deceased's girlfriend and mother, the deceased had always been in good health and had no diseases during his lifetime. In addition, the deceased's girlfriend, Ma Xiaolin, had meals with the deceased. Except for a bottle of beer, the diet of the two was exactly the same, but Ma Xiaolin showed no signs of poisoning.
The above is the general situation of the poisoning case. "
Ding Xifeng said, "Who else wants to add?"
No one answered.
Ding Xifeng continued, "Lao Ma, what did you discover in the technical department?"
Ma Xiwen said, "After bringing back the ingredients and evidence sealed in the restaurant, we conducted a large number of tests, but we did not find any toxin components that are fatal."
Han Bin said, "Not in the beer either?"
"No."
Wang Xiao asked, "Have you checked all the ingredients on the deceased's table?"
"Everything was checked, and nothing harmful enough to kill was found."
Wang Xiao frowned, "That's weird, how did the victim get poisoned?"
Zhu Jiaxu said, "Is it possible that the deceased had a special disease instead of poisoning?"
Ding Xifeng looked at forensic doctor Li Can, "Forensic doctor Li, is this possible?"
Li Can organized his words, "According to the witness's reaction, the time from the abnormality of the deceased to the death of the deceased was very short. In addition to the symptoms of the deceased when he died, only a very small number of diseases are in line with it, but I have checked the file of the deceased before his death. , he did not have a similar case. At the same time, I found no relevant symptoms when I dissected the deceased's body, which can rule out the possibility that the victim died of a disease."
Han Bin went on to say, "After the poisoning occurred, I called 120. Although the victim was dead when 120 arrived, the doctor still checked the physical condition of the deceased. I asked the female doctor at that time, and she estimated that the deceased was poisoned. It will not take more than ten minutes to die.
However, the technical department did not find any fatal poisonous items in the restaurant, which means that the deceased was probably not poisoned in the restaurant. Could it be that the doctor misjudged the onset time of the poison, and the poison was not that strong? quick? "
Li Can said, "No, I agree with the doctor's opinion. The victim was indeed poisoned to death, and this toxin is very powerful and can cause death in a short time. Judging from the composition of the toxin, it should be sodium cyanide. If the dose is sufficient, it will indeed cause death in a short period of time.
I tested the sodium cyanide content in the body of the deceased, and it was extremely high, enough to cause death within ten minutes, so I agree with the female doctor. "
Ding Xifeng said, "This doesn't make sense. According to the conclusion of the forensic doctor, the deceased must have taken poison in the restaurant, but the technical department searched all the items in the restaurant, but found no relevant toxins. Isn't the conclusion of your two departments Contradictory."
Li Can stood up, walked to the projector, and put a photo on it, "When I was dissecting the deceased's stomach, I found this object in the stomach of the deceased. I think it may play a certain role in solving the case." .”
A picture appeared on the projector, and there was a glass vessel on the table, which contained some unknown items, which looked smaller than a grain of rice.
Wang Xiao said, "Forensic Li, what the hell is this? Who can see clearly at such a young age."
Li Can said, "The main ingredients of this item are gelatin and food coloring."
After Zhu Jiaxu heard it, he felt as if he hadn't heard it, "What the hell? What is it for?"
Ma Xiwen explained, "Gelatin and food coloring are the main ingredients for making capsules."
Li Can said, "Some drugs can irritate the esophagus, so the drugs are made into granules and put into capsules. Capsules are not easy to digest and can play a protective role."
Han Bin reacted, "You mean that the murderer probably put the poison in the capsule, because the outer skin of the capsule is not easy to digest, thus delaying the onset of the poison."
Li Can said, "Theoretically, this is possible, but I don't know much about investigations, and you still need to judge for yourself."
Ding Xifeng said, "Yes, the clue provided by Li Can is very important. Assuming that the murderer used the capsule to delay the time of poisoning, then the actual time of taking the poison will be pushed forward. Based on your speculation, if the poison is placed in the capsule , How long can the time of poisoning be delayed?"
Li Can thought for a moment, "This situation is more complicated. It depends on the quality and thickness of the capsule, as well as the digestive function and physical condition of the deceased's stomach. Let me intuitively judge that the error will be relatively large."
"Then take the error into account and give an approximate time."
"Probably between one and five hours."
Han Bin said, "In other words, the poisoning site was not the Jiujiang restaurant, it was only the site where the poison was discovered. If we push forward the poisoning time, the poisoning time is roughly between 1:50 and 5:50. We don't It is not clear where the deceased was during this period, nor who he had contact with."
Ding Xifeng knocked on the table with his right index finger, "Then check, not only the whereabouts of the deceased when he was poisoned, but also the surrounding relationship of the deceased, to see who has conflicts and interests with him, and has enough motivation to poison."
"Yes." Han Bin responded, and continued, "In addition, why did the murderer use this method to kill people? Can we deduce some clues about the murderer from his method of killing?"
Zhu Jiaxu replied, "Generally poisoning is a method of killing that is common among female murderers. Ma Xiaolin happens to be a woman. Could she be the murderer?"
Ding Xifeng said, "I think the purpose of the murderer's doing this is more like creating an alibi for himself. If Li Can hadn't been careful and serious, we wouldn't have been able to deduce that the poison was contained in a capsule, and we would definitely have misjudged the poisoning time of the deceased." , if this judgment is wrong, it is impossible to catch the real murderer.
Assuming that Ma Xiaolin is the murderer, she managed to create an alibi through the capsule, and why did she have to eat with the deceased to increase her suspicion? "
(end of this chapter)