today's island

Starting from the first floor, Lu Yuanzhe and Cheng Mo went to everyone's room.Except for Xiaozhang and Xiaotang who were in the new room arranged for Xiaoqiu, everyone else stayed in the room obediently, very vigilant, and had to ask several times before opening the door.

Walking down in a circle, everyone said that they had never been out of the house after two o'clock in the morning, let alone the third floor.

Regarding the key, everyone has always insisted that there is no extra one. Except for these two days, the key is in their hands, and the rest of the time is handed over to Sister Zhao for safekeeping.

Back in his room, Lu Yuanzhe fell on the bed, and Cheng Mo stood next to the anti-theft chain and tried for a long time, and finally came to the conclusion: "It can't be opened or hung from the outside, and even thin wires can't be inserted."

"Of course, otherwise, why would it be called an anti-theft chain?" Lu Yuanzhe didn't think it was hooks or thin wires that hung the anti-theft chain back.

"If we only consider how to enter the house, we can still suspect that a new anti-theft chain has been reinstalled, but it is really too difficult to hang it when we come out." Cheng Mo put down all kinds of tools and finally closed the door.

"The murder case in the secret room." Lu Yuanzhe lay on the bed and looked at the ceiling. "The two murder scenes have the same structure as our room. Except for the transom of the bathroom, the other parts are not even for flies to pass through."

The airtight room has a simple structure. They thoroughly checked the walls, ceiling and floor, and found nothing abnormal.

It's strange if there is an abnormality, if the other party is practicing the secret way in the dormitory, he is also a strange person.

"Do you think it's 'not a secret room', 'not a murder', or 'not a secret room to kill'?" Lu Yuanzhe looked at Cheng Mo with his arm on his pillow.

"Anyway, it must be homicide." Cheng Mo replied, "Either it wasn't the secret room, or it wasn't the secret room murder."

"Do you think there is a high probability that Xiaoqiu thief will call for a thief?" Lu Yuanzhe asked.

Cheng Mo shook his head: "The doors and windows were closed and his throat was cut to death. He didn't wake up, so he pushed himself to the position of the first suspect. It's impossible for an organization like Yan not to know what it's like to enter the interrogation room."

In the interrogation room, it is easy to just die without explaining the details, but it is almost impossible to deceive the police.

"Let's see if this is a secret room." Lu Yuanzhe recalled Xiao Qiu's statement before, "If Xiao Liu can be killed like this, then He Zhigang is very likely to be killed by the same person."

"Yes." Cheng Mo nodded in agreement.

"But I don't understand, why didn't the prisoner lock the door?" Lu Yuanzhe frowned. It was really strange that the two scenes were only equipped with anti-theft chains and did not lock the door. "If the prisoner has a spare key, he can lock the door after leaving , doesn't this look more like a secret room murder?"

"Or the prisoner wants us to think that they don't have the key? After all, this must be the scene of a homicide, and whether the door is locked or not can't change the fact that this is a homicide." Cheng Mo speculated.

"Whether he has a key or not, how did he get in and out..." Lu Yuanzhe glanced at the direction of the toilet transom again, "If it was in the city of Daocheng, I might suspect that there are well-trained animals that would put anti-theft chains on."

Although this is only common in various reasoning stories, it can be done scientifically, at least the police dogs of the Public Security Bureau should be able to do it after a little practice.It is that small police dogs cannot reach the anti-theft chain, and it is difficult for large dogs to enter and exit.

Cheng Mo opened his suitcase and found a promotion brochure of the research institute.

"What's wrong?" Lu Yuanzhe looked at him.

"This is a part-time research institute that assists in the design of underwater exploration tools. What if there is a robotic arm that can remotely lock the door?" Cheng Mo began to look at the first page seriously.

"No way..." Lu Yuanzhe leaned over to read it with him, turned a few pages, and found that they were thinking too much.

Swimming in the water is okay, but it seems a bit whimsical to open the door in the air or extend it to such a high position to do complicated padlock actions.

"Besides, none of the people here are doing these studies?" Lu Yuanzhe asked.Having said that, they paused together for a moment.

This is the problem they found in Xiao Qiu's speech before, and after they walked through all the rooms, the doubts became more serious.

"They stayed here during the typhoon, but they didn't have any experiments that they had to do..." Lu Yuanzhe played with the recording pen.

After hearing Xiao Qiu say that he was fine, they remembered this matter. If Xiao Qiu and Xiao Liu stayed to prove that the government's project was valued in the research institute, what about the other experimenters?Why do nothing and stay here?

"Well, and they didn't show at all that they didn't want to stay, they were obviously willing." Cheng Mo thought so too.

"Then did Director Jiang instigate them to stay, or did they stay on their own initiative because they had a ghost in their hearts?" Lu Yuanzhe asked.

Cheng Mo didn't reply, looking at his notes, he couldn't draw a definite conclusion.

While they were silent, there was a knock on the door, Lu Yuanzhe went to open the door, it was Sister Zhao.

"Collect the garbage." Sister Zhao came in with a garbage bag, and stretched out the mouth of the bag at him, "The two police officers should hand over everything to Captain Hu to throw away. The room is not well ventilated now, so keep it clean."

"Oh, good." Lu Yuanzhe took out all the garbage bags in the trash can and handed them to Sister Zhao, and then Sister Zhao left without saying a word.

Cheng Mo looked at the door curiously, and when Lu Yuanzhe closed the door, he gave Lu Yuanzhe a surprised look.

Lu Yuanzhe spread his hands, wondering if he should be suspicious or not.

·

When dinner was served at [-] o'clock in the evening, Sister Zhao and Captain Hu found a few rechargeable desk lamps and lit the cafeteria brightly, giving everyone a sense of security.

Lu Yuanzhe and Cheng Mo's room was almost pitch dark, and they sat in the cafeteria early to watch Sister Zhao and Captain Hu Zhang Luo have dinner.

Xiaoqiu arrived at the cafeteria earlier than them, and went downstairs at 03:30, but he didn't have the heart to help Sister Zhao prepare the dishes, so he just sat in the corner and played with his mobile phone in a daze.The others didn't go downstairs until before dinner, and they didn't seem to want to get in touch with each other, nor did they want to talk too much with Lu Yuanzhe and Cheng Mo.

By [-]:[-], everyone still hadn't arrived. This time it was Xiaozhang and Xiaotang who didn't come.

"Aren't they with you?" Sister Zhao asked Xiaoqiu.

"Before, they went back after three o'clock and said they were going to the laboratory building to change the power bank." Xiaoqiu replied, "I came downstairs later."

These two really couldn't live without their mobile phones, and they had to charge the battery twice a day. Lu Yuanzhe asked, "Is that person back?"

"I'm back." Captain Hu interjected, "Not long before you went downstairs, I saw the two of them swiping their cards in."

"Are you asleep?" Minister Kim asked.

"Let me go and have a look." Lu Yuanzhe stood up again, "I'll go with Cheng Mo, you just sit here and don't move around."

These two lived on the second floor, not far from the rooms of Lu Yuanzhe and Cheng Mo. One was in 205 and the other was in 206. They liked to travel together.

They knocked on the door with flashlights, and turned the handle casually, but the door was unlocked, only hanging by a chain.

"It's coming again." Lu Yuanzhe sighed, although he didn't smell blood, he felt something was wrong.

After cutting the chain in Xiaozhang's room first, they entered the room slowly and saw Xiaozhang lying on the bed.

Xiaozhang was lying on the bed, his face was swollen, his eyes were protruding, and his mouth and nose were congested. This time he died of typical mechanical asphyxiation.

Looking around the room, except for the mess on the bed, there are still no extra traces.The prisoner killed for the sake of killing, and never thought of causing trouble.

"Let's go and see Xiaotang again." Lu Yuanzhe locked the door and went to the other side.

The other side also died in the same way. As far as the eye can see, except for the pedal marks of struggling on the bed, nothing else has moved.

There was no way to conduct an autopsy with a flashlight, so they had to carry the corpses to the laboratory building one by one.This time they ordered everyone to sit in the cafeteria without moving, but several leaders were worried and insisted on going with them to the laboratory building to place the corpse.

Fortunately, two more freezers could be moved out, otherwise the corpses would have to be squeezed together.

"Officer Lu...What the hell is this?" Director Jiang rubbed his hands again and asked Lu Yuanzhe, not daring to look up at the two corpses, "It must have been a crime, do you have any clue? How did the prisoner get in?"

"Of course the crime was committed by man, what do you believe in the death of the wronged soul?" Director Tao said harshly to him.

"You guys are more familiar with the whole building, do you have any insights?" Lu Yuanzhe asked, ignoring Minister Tao's anger.

"I don't know. I don't think it's possible. If you can really get in, how many things will happen in the hotel..." Director Jiang replied timidly.

Ask the others to wait in the corridor for a while. It was still Lu Yuanzhe who cleaned up the body surface. Cheng Mo calculated the time of death and handed the phone to Lu Yuanzhe: "It is true that he was killed after we went downstairs. The difference was twenty or ten minutes."

Lu Yuanzhe frowned and glanced at it, then nodded to show that he understood.

No particularly suspicious substances were found in the nails of the corpse, but Lu Yuanzhe always felt that he could smell some pungent smell when he was close to the corpse. I don't know if it was to reduce the struggle of the deceased.

"Let's do this first." He closed the freezer.

"Is it related to their coming to the laboratory building in the afternoon?" Cheng Mo asked before leaving the utility room.

"Maybe?" Lu Yuanzhe pushed open the door, and the whispers outside the door stopped abruptly. Several ministers seemed to be arguing with Director Jiang. They didn't stop until they came out, but they were still staring at each other.

"Can I see the entry and exit records here?" Lu Yuanzhe asked.

The tablet was placed in the dormitory. Director Jiang thought about it, and the computer in the duty room in the lobby called up the records for Lu Yuanzhe.

You have to swipe your card to get in and out. Starting from the typhoon, Xiao Liu left a record after [-]:[-] in the morning, and Xiao Zhang and Xiao Tang also left a check-in record at [-]:[-] this morning and after [-]:[-] in the afternoon.Lao Yang and Lao He also came here this morning, and a few people came to pick up a stretcher at noon, using Minister Hua's card.

"Isn't this a record of the order of death..." Minister Jin saw the problem and asked in surprise, "Isn't it really a murderous death?"

"Don't talk nonsense." Minister Hua was frightened, and cooperated with Lu Yuanzhe and Cheng Mo to come and go several times, and only swiped his card.

"There is no such thing as a ghost, do you think you are just a few children telling stories?" Minister Tao glared at him. He was talking about Xiao Zhang and Xiao Tang himself. These two chatterboxes like to make stories mysterious Said, I didn't expect to be recruited first.

Director Jiang didn't speak, but glanced at Lu Yuanzhe.

"Go back and ask Master Yang and Master He what they are doing here." Lu Yuanzhe said.They didn't notice these two came in the morning, wondering if it was also for charging.

As soon as everyone turned off the computer and returned to the hall, Captain Hu hurried over with a flashlight, and the beam of the flashlight stopped at the door dangling.As soon as he was about to swipe his card, the leaders inside all swiped and waved to stop him.

"Ah?" Captain Hu didn't know what they were gesticulating. The card had already been pasted on the door. He opened the door and asked everyone, "What's wrong?"

"..." Everyone was silent for a moment.Whether it is a roll call or not, it is really not auspicious to appear on this list.

"I won't ask you for now, something happened." Captain Hu didn't bother to respond to their ambiguity, and looked anxiously at Lu Yuanzhe, "Go back to the restaurant!"