After eating, Sun Nan looked around and suddenly said in surprise, "Why didn't I see Professor Wang Haiyang and his scientific research team come out for dinner?"
"The meal is almost over, aren't they hungry?"
"Although research is very important, they can't go hungry!"
"If you want to make a big deal, at least you have to fill your stomach!"
At this time, Yao Jie explained while eating: "You don't know something!"
"The comrades in the institute generally don't eat with us. Although we are all in the same secret laboratory, we almost never see them."
"They are all busy doing research in the laboratory, basically no one is seen!"
The hygienist's eyes widened in shock: "This...you're going to live like a prisoner!"
Yao Jie shrugged: "I heard that going in and out of the laboratory requires a very strict disinfection process."
"So in order to save time, they always work inside and basically never go out!"
Sun Nan was stunned for a moment: "Then what do they usually eat and drink?"
Yao Jie pointed in the direction of the kitchen: "They have a small stove!"
"The standard of food is much better than ours. Every meal is specially delivered to them by someone!"
"Open a special small stove? And someone will deliver it?"
Sun Nan frowned suddenly, stood up abruptly, and strode towards the kitchen.
Long Er and the others in the dragon group hadn't finished their meal yet, but seeing Sun Nan's expression seemed a little abnormal, they immediately put down their bowls and chopsticks, and followed quickly.
Yao Jie also looked confused, thinking that he had said something wrong, why didn't all these leaders stop eating?
He was so frightened that he immediately put down the bowls and chopsticks, followed everyone obediently, and walked towards the kitchen.
Pushing open the door of the back kitchen for cooking, a clean and tidy kitchen appeared in front of everyone.
Sun Nan glanced around the kitchen coldly, and finally settled on a small cart in the corner.
There are neatly stacked lunch boxes on the trolley, lined up one by one, with a combination of meat and vegetables, just like the one that makes people appetizing.
Two staff members continued to put lunch boxes on the dining car, and another person carried a bucket of purified water and stood aside waiting.
Sun Nan walked up to the cart and asked coldly, "Are all these foods sent to the laboratory?"
The support staff in the kitchen didn't know Sun Nan, they just met him once when they entered the data.
Nothing is known about his identity or anything like that.
They didn't speak, but chose to look at Yao Jie, the security captain, who was at the side.
Yao Jie immediately introduced: "This is the person in charge of security at the base, and also my immediate superior."
"Whatever he asks, you just answer truthfully!"
As soon as they heard that Sun Nan was the leader, the logistics staff immediately puffed up their chests and saluted: "Report to the leader, this is the food from the single-laboratory that was distributed at noon today!"
"Later, we will deliver!"
Sun Nan nodded and picked up a lunch box casually.
After opening it, a smell of food came to my nostrils immediately.
There are meat and vegetables, fruits and milk, and the food is indeed much better than in the cafeteria.
Every dish looks very attractive, and it is also very delicate, which makes people want to eat it very much.
But Sun Nan is not interested in whether these dishes are good or not!
Now he just wants to know, can these dishes be eaten?
He frowned and asked, "Has every dish here been carefully inspected?"
A chubby-looking staff member nodded immediately: "I've checked it. Every dish of food will go through the strictest inspection when it's sent here. After cleaning and disinfecting many times, it will be made into food and sent out by us!"
Sun Nan moved the food to his nose and sniffed vigorously a few times.
Although the food is very fragrant, there is a faint herbal smell in it.
Although it is very weak, so weak that even Sun Nan is not quite sure what kind of herbal medicine it is.
But he can be sure that the food has been tampered with.
Sun Nan threw the lunch box on the ground coldly, and said coldly: "There is something wrong with the food, someone put herbs in it!"
The fat logistics staff immediately yelled: "How is this possible? We cook strictly according to the rules. We even put very little chicken essence, monosodium glutamate and salt. How can we put herbs?"
Sun Nan snorted coldly: "You don't believe me, do you?"
He immediately asked the hygienist to take out the silver needle that he carried with him from his bag. It was originally used for acupuncture in conjunction with ancient Chinese medicine, but the silver needle also has the effect of testing poison.
Sun Nan carefully inserted a few silver needles into several meals at random. As expected, the silver needles turned slightly black.
The logistics staff still looked incredible, and they always insisted that nothing was placed.
Yao Jie realized the seriousness of the problem and immediately found a mouse from the laboratory.
The little white mouse saw the attractive food, and immediately climbed up to eat it.
Everyone waited quietly, and the logistics staff were even more nervous and sweating profusely.
After a while, the little white mouse suddenly rolled all over the ground in pain, screaming "squeaks" incessantly.
Then there were spasms in the limbs, vomiting and diarrhea, and I lost my breath after a while.
Sun Nan turned his head and stared coldly at the logistics staff: "Don't tell me, this is the result of your inspection!"
The logistics personnel were so shocked by the scene in front of them that they couldn't say a word.
Yao Jie roared angrily: "Come here, arrest all these people and bring them back for interrogation!"
Sun Nan said coldly: "The entire cafeteria is sealed off, but everyone who has entered and exited here today will be subject to censorship!"
Chapter 592 Finding the trace of the inner ghost
With Sun Nan's order, the cafeteria, which was still noisy, instantly became quiet.
The guards who had come to eat in the cafeteria immediately dropped their bowls and chopsticks, and completely surrounded the cafeteria, so tight that not even a mosquito could fly in.
There are a total of 30 support staff including chefs and catering staff in the back kitchen of the canteen, arranged neatly and standing in the center of the canteen one by one.
The tables and chairs in the cafeteria had been put aside, and fifty guards stood on both sides with guns, staring at the thirty logistics personnel.
Although the muzzles of the guns were pressed to the ground, the cold and murderous aura emanating from them enveloped all the support staff mercilessly, making the atmosphere in the cafeteria extremely depressing.
"At six o'clock in the morning, Lao Wang, Xiao Liu and Li and I checked the food truck together. At that time, there were comrades guards watching. There was absolutely no problem..."
"After the food was delivered, Xiao Lin and I disinfected and cleaned it together. We can both testify to both parties. And there is surveillance over the vegetable sink. You can check it at any time!"
"The food of the comrades in the scientific research team is all cooked in special pots and stoves. There are six people in total. We brothers all serve the pot together, and each is responsible for cooking different dishes. It is absolutely impossible for someone to poison it. The others are not blind..."
Long San and Long Si checked the staff one by one and recorded their statements.
On the other side of the cafeteria, Geng Jihui sat aside and connected the individual combat computer to the defense system set up by Sun Nan.
Sun Nan, Long Er and the guard captain Yao Jie carefully checked the surveillance video.
After searching for a whole hour, playing at eight times the speed, I checked all the video data in different areas during the time period from [-] am to the end of cooking at noon.
Everyone's eyes were almost dazzled, but they still didn't find anything suspicious.
Almost all the staff are working diligently under the surveillance video, without any small movements.
Long Er kept touching his chin, his face full of disbelief: "It shouldn't be, it seems that there is no problem at all!"
"When was the poison injected?"
Sun Nan said in a cold voice: "Play all the videos again, this time slow down a bit, and be sure to check carefully, not missing any details!"
"Yes!"
Geng Jihui nodded vigorously, then adjusted the time slot back to six o'clock in the morning, and called several guard soldiers, several people, and several computers to check each piece of surveillance video frame by frame.
An hour later, Long Er and Long San came over with a thick stack of confessions.
Comparing the confessions of each logistics personnel, combined with the surveillance video, they found that these logistics personnel really had no chance of poisoning.
Because when they were working, at least two of them worked together, and there was no chance to poison other people's noses.
Moreover, they all work under surveillance, even if they can hide from their fellow workers, they cannot hide from the surveillance screen.
The female killer swore again and again that there was absolutely only one inner ghost, the Jonin who had never shown up, and the others never entered the country.
Everyone was lost in thought. If these logistics personnel had no chance to poison, then this thread would be completely cut off.
At this time, the hygienist also came over.
He said with a serious face, "Brother Nan, the food inspection results have also come out."
"It's not a highly toxic substance in the food, but a very rare herbal medicine."
"After humans eat it, it has a certain hallucinogenic effect, and it is accompanied by diarrhea, vomiting, and weakness of limbs, just like food poisoning."
"But the harm to the human body is not great, and the duration is not long. The effect of the medicine lasts for about two hours at most. People who accidentally ingest it will gradually return to normal within a few hours."
After listening to the hygienist, Sun Nan snorted coldly: "It seems that this ghost doesn't really want to kill all the researchers, he just wants to cause us to panic."
"He thought that if all the researchers were poisoned by food, we would definitely send the researchers to the hospital for emergency treatment."
"As long as you leave the base, the ninja killers outside will have a chance to do something. Take the opportunity to rob Professor Wang Haiyang. If it doesn't work, they will kill the professor!"
"As long as Professor Qian is attacked, we will definitely mobilize. At that time, taking advantage of the emptiness of the defense inside the laboratory, the ghosts will have an opportunity to easily seize Professor Wang's scientific research results, and then leave here!"
Sun Nan immediately revealed the inner ghost's intentions, and after the others heard it, flames of anger shot out from their eyes.
"You're such a bastard, you actually came up with such an insidious trick!" Geng Jihui growled angrily, "If it wasn't for Brother Nan's vigilance, they would have almost succeeded!"
Long Er's eyes were also beating with a strong murderous look: "This ghost must not be left behind. He is keeping us in the dark, and this guy is full of tricks, and his methods are secretive and ruthless."
"So many of us have investigated for so long, but we still found nothing."
"If we can't find him today, there will be endless troubles!"
Long San said with a bitter face: "But we checked from six o'clock in the morning to lunch time, and we didn't get anything."
"Before six o'clock, there is no one in the back kitchen of the cafeteria, and work has not started yet!"
"This guy must have been poisoned after six o'clock!"
"How did he poison it?"
Long San's words gave Sun Nan a flash of inspiration.
A delighted smile suddenly appeared on Sun Nan's mouth, and he turned to Yao Jie who was beside him, "What time do the cafeteria staff usually rest at night?"
Although Yao Jie didn't know the purpose of Sun Nan's question, he still answered honestly: "They all rest at ten o'clock in the evening, and the cafeteria will be closed at that time!"
Sun Nanmeng said: "From ten o'clock last night to six o'clock this morning, the surveillance video of the back kitchen is retrieved immediately and played again!"
Geng Jihui immediately followed Sun Nan's request.
The others looked at Sun Nan in confusion, wondering what his intentions were.
Sun Nan smiled slightly and explained to everyone: "We have already investigated everything from six o'clock in the morning to lunch time. Now let's poison it!"
"There was no problem with yesterday's meal. If that's the case, the only time he can do it is from ten o'clock last night to six o'clock this morning!"
"At that time?" Long Er was a little puzzled: "There was no food in the back kitchen at that time, how did he put poison into the food?"
Sun Nan pointed to the computer screen: "Don't forget, scientific researchers all use separate stoves!"
Everyone immediately looked at the computer screen as if they understood something.
The time on the video has been switched to ten o'clock last night, and the people in the back kitchen of the cafeteria have already got off work, so the picture has been in a static state.
When the screen was played until three o'clock in the morning, a black shadow suddenly flashed across the screen.
After Long Er found this black shadow, he immediately lay down on the computer desk and stared at the computer screen tightly.
If it weren't for his sharp eyes, it would be difficult to see this black shadow at all.
"Look, look, it's here!" Long Er shouted, pointing at the screen.
Everyone came together in shock, only Sun Nan looked calm.
Geng Jihui immediately zoomed in on the screen, and the black shadow flashed in front of the six small stoves.
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