Lin Yuhan said, "When I first came to you, I asked you about the impressions of Wu Dandan and Chen Yousheng, but you kept pretending that you didn't know and were unfamiliar with them, and it was also to cover up, and you wanted to hide the truth of some facts." ”

"Detective Lin's reasoning is so seamless that it's wonderful." Wang Yueran actually laughed, "But, I want to ask, how did Qi Wanxin die?" I was able to leave the operating room without leaving the operating room from start to finish, and there was surveillance video and patient testimony. ”

"Yes, this is a difficult problem, in fact, I have analyzed you through various clues, but the last case that happened suddenly made me wonder, you can't enter another room and kill the nurse, so that I suspected that my reasoning was wrong. If I hadn't re-watched Li Yue's knife edge, I would have thought that Chen Yousheng was the murderer. It's a pity that we were all misled by you. ”

"Surveillance is a good thing, it can reveal the truth of the facts, but it can also deceive people's eyes." Lin Yuhan replied.

"Yo, you mean I'm messing with surveillance? Do you think the police are all fools, and they won't be able to see it when they deal with surveillance? Wang Yueran scoffed.

"There is no problem with not surveillance, it cleverly covers up your crime and misleads the police officers."

"Okay, then you can explain and explain, if Chen Yousheng is not the murderer, how did Qi Wanxin die. How did I get to the office in the operating room and kill her, don't tell me I can fly off the wall, I'm not Spider-Man or Ultraman, I can't jump over the window on my side. ”

"From the surveillance video, it can be seen that no one else in the corridor has entered except Chen Yousheng, and when the murder occurred, the door was locked from the inside, and the window could not be crossed, so if the murderer is not Chen Yousheng, this is a closed room murder case."

"That's right, Detective Lin himself said, this is a murder in a closed room, how did I get into the secret room? Am I going to be able to penetrate walls? ”

"Yes, you will, you just got in through the wall." Lin Yuhan said calmly.

"What a joke!" Wang Yueran cried out.

"The answer is right behind your display case." Lin Yuhan said, "There will be no absolute secret room in this world, unless it is suicide. Until I entered your operating room today, all the mysteries were solved. There is a display case next to the wall near the operating room, and it just so happens that on the side of the operating room near the office, there is a data cabinet in the same place. The locations just coincide, so between these two cabinets, there must be a secret door, and you passed from there! ”

Wang Yueran's body trembled violently, the last fig leaf was torn off, and he asked wistfully, "How did you find out?" ”

"The scratches left by the cabinets, and the messy environment inside the house. I guessed that the murderer didn't have to make such a mess of the room, he must have done something to cover up, or some kind of reason he had to do it. ”

"Tell me about it."

"A lot of offices are actually connected to each other, and then split into two for various reasons, and you are. The location of the display case is the door between the two offices, but it has been so long that almost no one remembers it, and the new nurse doesn't know it, only you know. ”

Lin Yuhan looked to the side and said, "I'm afraid you have already discovered that your nurse and Chen Yousheng have an improper relationship, so you deliberately let the two of them contact each other in the room alone, and it is probably not the first time that they have done this kind of thing in your office." So, at the level of Chen Yousheng's ultra-thin minimum, you can roughly estimate the time when they start and end. ”

"Then, you put sleeping pills in the water cooler in advance, and when they finish the game and are thirsty, they will naturally drink water. So you appeared in the corridor at 9:18 and knocked on the door, not to get your mobile phone, but to test whether they were awake or asleep, and when there was no response in the house, you naturally knew that your plot had succeeded, and then returned to the operating room, removed the data cabinet, opened the secret door, pushed the cabinet, and brutally killed Qi Wanxin. ”

"But I have patients, and I'm having surgery."

"Director Wang, since you have the ability to let Chen Yousheng sleep for half an hour, you naturally have the ability to let your patients sleep for a while. I've read your patient profiles, and the two patients who came that day had painless surgeries such as scaling and filling. You can put your patient to sleep in a variety of ways, then go next door to commit the murder, and then come back to wake the patient up. It may be that in the eyes of the patient, he accidentally fell asleep after lying down, and he did not have many thoughts and concepts for ten or even twenty minutes. So, to a certain extent, unconsciously act as a tainted witness for you. ”

"You've cleverly designed your innocence with surveillance; He also visited the office; also successfully pointed the finger at Chen Yousheng, killing three birds with one stone! When Lin Yuhan looked at Wang Yueran again, he was speechless in surprise.

"But there's a problem here. You can enter the office in this way, but when you return, you can't push the office display case back on this side of the secret door, so that Chen Yousheng will be found by Chen Yousheng, who wakes up later. So, you think of a way – a cover-up. Use messiness to make people visually error. You make a mess of the office, as if it had been ransacked, the desks, stools, etc. are all moved, the things on the tables are thrown everywhere, and then you leave a small gap behind the display case, and you travel back to your operating room from the inside, close the secret door, and block the information cabinet. In this way, even if the display cabinet in the office is seen to have been moved, others will not make people suspicious. ”

When Chen Yousheng woke up, he saw that the office was in a mess, he was holding a murder weapon, Qi Wanxin died tragically, his instinctive reaction was to run, and he didn't have time to notice anything abnormal in the display cabinet in the corner, so he pulled the white coat you hung on the wall, covered the blood stains on his body, and quickly fled the scene. At this time, after the operation, you pretended to be casual and returned to the office to open the door, 'found' the killed Qi Wanxin, and then called the police. ”

"Before the police came, you pushed the display case back to its original place, blocked the secret door, and then knocked over the water dispenser to dispose of the remaining sleeping pills inside, making this office a secret room without realizing it, am I right, Director Wang?"

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