At about five o'clock in the morning, Zhang Liang, who received the news, arrived at the hospital and took over the shift of the police chief on duty, and the resident doctor on duty went to Liu Yan's ward with Zhang Liang to check on him, and everything was normal. Because this incident occurred within the control of the police, it was also reported to the Internal Affairs Bureau as soon as possible, and the Internal Affairs Bureau sent a female internal affairs officer to the hospital to see the situation and learn about the situation from the police on duty. After Liu Yan got into the ambulance, she kept her eyes closed and did not say anything, and the doctor judged that it was absolutely impossible to be unconscious, and it was very likely to be pretending to be dead.

At 5:35, Lu Yi arrived and gave Zhang Liang a brief and comprehensive understanding of what had happened. At 5:47, the nurse entered the ward to change the salt water. At six o'clock, the doctor on duty made another round. At 6:10, Liu Yan suddenly convulsed, and entered a coma more than ten seconds later, and the emergency doctor immediately rescued her, showing difficulty breathing and cardiac arrest, and the emergency doctor thought it was cyanide poisoning.

Cyanide is not incurable, especially in hospitals, especially in observation wards near the emergency department. The emergency doctor decisively injected Meilan and poured isoamyl nitrite onto a wet towel and covered Liu Yan's mouth and nose. This is followed by multi-drug detoxification. Oxygen, ventilators, and diuretic means......

Then Liu Yan still died.

The female doctor on duty in the emergency department is very young, only about twenty-eight years old, but it is a little difficult to accept Liu Yan's death. She told Zhang Liang that she could delay for a few hours. The female doctor's mentor was the vice president, and after arriving later, after listening carefully to each step of the female doctor's rescue, the medicine was checked, and then Lu Yiyi was found and told Lu Yiyi that someone had replaced the rescue drug Meilan.

Melin, also known as methylene blue, is a kind of detoxification powder, the powder should be dissolved when injected, and the potion should be injected into the bottle of Melin with a needle, and then pumped out after shaking well. Meilan is a necessary antidote in the emergency department, but the medicine has been replaced with other powders, and the label is still Meilan.

After listening to this, Su Cheng said, "Don't worry about Liu Yan, you send someone to Liu Yan's residence first, or other places related to her, and I will meet you as soon as possible." ”

Su Cheng hung up the phone and sat on the bed thinking: "Yesterday's case felt very strange, I'm sure there is something wrong with Liu Yan, but I don't know what the problem is." The modus operandi of murder is not ordinary. "Technically speaking, it is more difficult to change the label of the drug, and it will inevitably be torn by hand, and it needs to be soaked in liquid to completely remove the label.

In other words, the murderer knew that Liu Yan would be poisoned by cyanide, after all, he was in the hospital or in the emergency department, and he might be rescued. The murderer also has quite strong medical knowledge, and he dropped Meilan, most likely with poison, which made it impossible for Liu Yan to be rescued.

The first question, how did the murderer drop the bag Meilan, this point is relatively easy to do, the first-aid drugs are put together in a unified manner, arranged in an orderly manner, and the name of the drug is also identified. As soon as a patient needs to be rescued, the vehicle is pushed into the emergency department for use. Normally, people don't think that someone will remove the package of medicines, so this problem will not be too difficult for non-ordinary people.

The second question is, how did Liu Yan get poisoned? Liu Yan's vomiting had nothing to do with cyanide, and the ambulance doctors, emergency doctors, and resident doctors all believed that Liu Yan's vomiting was caused by her own throat. Many people have come into contact with Liu Yan, such as the nurse who fits the electrocardiogram, the doctor who examines the body, the doctor in the ambulance, the police officer checking on Liu Yan in the detention room, the resident doctor, the resident nurse, the emergency doctor, the female policewoman in the ward, and so on. Before and after Liu Yan's poisoning, only the resident doctor examined her, and the policewoman watched from a close distance.

The third question is, why did you kill Liu Yan? Judging from last night, Liu Yan did not cooperate with the police, and there were enough lies to deal with the police, and there was no tendency to compromise with the police, and the murderer took the risk of killing people under the eyes of the police, which means that the other party was in a hurry. Even if you want to kill Liu Yan, when the police are arrested, it is more appropriate for Liu Yan to be transferred to the detention center before committing the murder.

Xu Xuan held the quilt with both hands, accompanied Su Cheng to lean on the bed, and asked after listening, "Could it be a hanged ghost?"

"All the grass and trees are soldiers. Su Cheng said: "It's hard to say, Old Man Qin is a man of the hour, but if he is a hanged ghost, he shouldn't kill Liu Yan." You also know who the hanged man's men are, and they don't betray their boss easily. And as far as Liu Yan's crime is concerned, at most it is an attempted theft, and Liu Yan is sent back to N City for further investigation. I contacted Liu Yan last night, I think she is very smart, at least a little smart, there is only one case in N City that has half a fingerprint, after so long, Liu Yan said that she does not know, and it is difficult for the police to convict. Taking 10,000 steps back, Liu Yan is a burglary at most, only one case has half of her fingerprints, and the theft is a 30,000 yuan golden toad, she is in prison for the first time, and the sentence will not be very high. If it was someone who had hanged a ghost, how could he have killed his own subordinates in this situation? I was also thinking of the hanged ghost just now, so I asked Zhang Liang to go to Liu Yan's residence to see if it was to cover up something. But then I thought, if it's the hanged man, there must be nothing. ”

Xu Xuan asked: "Do you think that Old Man Qin really lost something, but he didn't dare to make a noise?"

"Old Man Qin lost something, this thing can't see the light...... Liu Yan is not an ordinary thief, she is going to steal this thing to hold Old Man Qin hostage...... It's possible. Su Cheng said: "But the contradiction is that Qin Shao invited TTT to dinner at the villa for the first time in three months. The security situation of Old Man Qin's villa is not good, as for Liu Yan to go undercover for nearly a month and wait for the opportunity?"

Xu Xuan smiled: "In my career, I am not afraid of extremely vicious criminals, and I am most afraid of encountering this kind of case." I'm not worried that I won't be able to solve the case, I'm worried that I will be misled by the bad guys and wronged the good guys. If I wasn't a woman, I wasn't qualified to be in charge of a department. ”

"Wife, I don't agree with that. You can solve most cases, and what you think is more difficult is the one done by professionals. This kind of case is a headache for both the police and the detective. These people know very well what the police have and what they can find, and like a game of chess, they are ahead of the police before they do it. We are talking about premeditation, and in the case of Liu Yan, I think there are flaws. ”

You can find flaws, I can't find flaws, that's the difference. Not to mention Xu Xuan, Su Cheng became a water reversal consultant, such as Ding Dong, they all felt overwhelmed, and their self-confidence was hit a little. It's only that Zuo Luo has no heart and no lungs, but is strong when he is strong, Zuo Luo not only learns Su Cheng's thinking, but also has his own opinions. Zuo Luo is not as good as Su Cheng in solving difficult cases, not Zuo Luo, but Su Chengqiang. First of all, Su Cheng is talented and interested, and the important thing is that he has a good teacher. In addition, Su Cheng has more contact with the black world, and he knows more about the various methods of the bad guys than Zoro. Therefore, when it comes to solving cases involving professionals, Su Cheng has quite obvious advantages.

Xu Xuan cooperated with his smart man and asked, "Where is the flaw?"

"This time it's obviously a premeditated murder, and I'm ready to poison it with cyanide and steal it for Meilan. This means that the murderer is familiar with the hospital, and there are two possibilities, the first may be a doctor or nurse in the hospital. The second possibility is that the murderer was already waiting in the hospital before Liu Yan was taken to the hospital. There is no monitoring in the hospital wards and emergency rooms, but there is monitoring in most areas. If this case was done by the hanged ghost, the surveillance video must have been passive. If it hadn't been tampered with, I think the clues could be found through surveillance. ”

Xu Xuan asked, "Then you still don't go?"

"I went to the scene and now it doesn't help. Su Cheng called: "Song Kai, are you up?"

Song Kai replied: "Advisor, just give orders...... I haven't slept yet. ”

"All night?"

Song Kai smiled bitterly: "The Internal Affairs Bureau upgraded the security system last night, and the two brothers from the technical department have been working. Lu Ren is an undercover agent to Z7, and this guy is to Z7 to pull coolies. Said to do him a favor, but I didn't expect ......"

"Isn't the Internal Affairs Bureau system very strong, and does it need to be upgraded?"

"As instructed by the Director of the Internal Affairs Bureau, members of the former Internal Affairs Bureau can inquire about most of the information, including information on the police, materials, etc. The director of the Internal Affairs Bureau requires the setting of permission codes, for example, Lu Yiyi can log in to his own permission code to view most of the information, and it will also be recorded by the system. ”

Su Cheng has been in contact with the director of the Internal Affairs Bureau, and his business level is not evaluated, but he is an old fox. The director of the Internal Affairs Bureau is an absolute supporter of the credibility construction of City A, and when he was young, he was very arrogant, and the director of the police department was interrogated by him several times. Why do we need to build credibility? When something happens, naturally some people will fan the flames. If City A has enough credibility, a sentence can make the citizens believe it, on the contrary, even if City A tells the truth, everyone will not dare to believe it, or even do not want to believe it. There are many such things in the country, such as the sharp rise in natural gas 'Baguio', and then it rose. Baguio is rumored to be limited, and a few days later, it was suddenly announced in the evening that the next day was limited.

The director of the Internal Affairs Bureau can be said to be a wise person, and his surname is introverted does not mean that he is not arrogant. The Director of the Interior Bureau ordered the security clearance to be upgraded, which means that he thinks that there are bad actors who want to attack the Interior Affairs Bureau. The main members of the Agency for Internal Affairs are young people of integrity and enthusiasm, and they are also bound and supervised by strict regulations...... If you want to get into the Internal Affairs Bureau, as long as you have the intention to prepare for two or three years, it is not too difficult, because when the Internal Affairs Bureau recruits staff, you need to look at resumes.

For someone like Lu Yiyi, he can know most of the information about the Internal Affairs Bureau. Ordinary members of the Internal Affairs Bureau need to apply for access to sensitive information. Therefore, ordinary members of the Internal Affairs Bureau are not the target of the Director of the Internal Affairs Bureau, and a person with such a large authority as Lu Yi is not the target of the Director of the Internal Affairs Bureau, hearing Song Kai say this, Su Cheng feels that it should be the grassroots manager of the Internal Affairs Bureau. They have less authority than Lu Yi, but they can browse relevant information, such as finance, and can inquire about the personal details of the economic police, as well as who has investigated which cases, what the specific content is, and so on.

Song Kai said: "Consultant, what's the matter?"

Su Cheng said: "There was a fatal case in the First Hospital yesterday, and the person was sent from the criminal police team to the emergency department of the First Hospital, and I need all the monitoring you can get." At the same time, check whether someone is tampering with the surveillance. ”

Song Kai said: "The monitoring of the first hospital is connected to the grid, and it is very difficult to do anything about the video. After being connected to the grid, the system will automatically generate a backup file, and normal hackers can only modify the stored video, and it is difficult to modify the backup file. ”

"Then why don't you take a break?"

"My highest record was four days in an internet café and no more than two hours of sleep a day. Don't worry, advisor, I'm very capable of fighting, I'll call you when I'm done. ”

Su Cheng contracted the work to Song Kai, and Song Kai completed the work according to the requirements, and Song Kai would not ask how to complete it. This is Song Kai's problem.

Su Cheng hugged Xu Xuan, it was so comfortable, he was reluctant to leave for a long time, and finally left, and leaned back on the bed again. Xu Xuan said: "There is a knife on the head of the color word." ”

"I'm waiting for a call. Su Cheng replied.

Xu Xuan said: "Song Kai wants to transfer so many monitors to check them one by one, not so fast, right?"

"No, wait for a fool's call. Su Cheng said: "If I didn't guess wrong, someone who listened to the conversation between me and Song Kai would definitely contact Zhang Liang, and then this person would contact Deputy Zhang and take the initiative to take the case." ”

Xu Xuan blinked his eyes: "It seems to make sense...... Should call soon. ”

Su Cheng smiled and looked at Xu Xuan: "What do you mean......"

"Got it, don't you hurry up?" Xu Xuan was furious.

......

Zuo Luoche was at the door of Xu Xuan's villa, watching Su Cheng go out slowly, and said unhappily: "Can you be serious?" ”

Su Cheng was not in a hurry, pulled out the passenger seat and went up, Zuo Luo got into the car, Su Cheng said: "Now is the stage of collecting clues for the case, the physical evidence team, the forensic doctor, and the transcript...... I'm not interested in participating, I'm just waiting to see what clues they gather. ”

"But it's nine o'clock now, and your phone is still turned off. ”

"I was so sleepy that I fell asleep again. ”

"Cut, look at your dark circles, don't blame you for not reminding you, fine water can flow for a long time. When the car drove out, Zoro took the initiative to change the subject: "Meilan has been replaced, I can't remember the name of the drug, it will stimulate the heart and make it more difficult to breathe." The medical examiner determined that it was cyanide poisoning, and the physical evidence team is testing all the items that Liu Yan has touched to see if there is a toxin reaction. Where do you think the poisoning was done?"

"What do you think?"

"I don't think about it right now. ”

Su Cheng was very satisfied and said, "I think it was taking the initiative to take poison." ”

"What?" Zoro asked rhetorically, "Liu Yan's brain is in the water?"

"You have to think about why Liu Yan went to the hospital? It was because she vomited, and the ambulance doctor said that Liu Yan was fine, and it was probably artificially vomited. Liu Yan has a plan to go to the hospital, but I don't know what the plan is. I think Liu Yan is the one who was abandoned by her behind-the-scenes boss. ”

"It doesn't seem like it's hanged ghost mode. ”

"Agreed, this shouldn't be the hanger. ”