[Huo Yushen]: I've arrived. Come to the Branch Station immediately.
[Huo Yushen]: ?
Only two messages were sent.
The first message was sent at eleven o'clock this morning.
The second message was sent at eleven thirty this morning.
The time interval between them was only half an hour.
Then came Meng Guanghui's messages.
[Meng Guanghui]: Xia Chujian, what are you doing?! The Chief has arrived, why aren't you here yet?
[Meng Guanghui]: Xia Chujian! You'll be penalized for this!
Meng Guanghui's two messages were sent at eleven ten and eleven forty this morning, respectively, right after Huo Yushen's two messages, clearly reminding her.
Xia Chujian immediately had a headache.
She rubbed her temples, wishing she could rest for a day before replying.
But she also knew that now was not the time to be emotional, even though she still felt very uncomfortable and aggrieved.
So Xia Chujian first replied to Meng Guanghui.
[Xia Chujian]: Chief, I was too tired yesterday and slept from 5 PM until just now. I'll send a video call request to the Chief immediately.
Then, she pulled up the Quantum Optical Brain's virtual display screen and sent a video call request to Huo Yushen.
Huo Yushen quickly accepted.
His stern face, like the eternal ice of the Land of the Far North, materialized on the virtual display screen.
Xia Chujian also said with a cold face: "Inspector Huo, I was too tired yesterday and slept from 5 PM until just now."
Huo Yushen was certainly not satisfied with Xia Chujian's attitude, but seeing that Xia Chujian did look very tired, he didn't say much, but quickly asked: "Regarding Yu Wangyou's death, do you have anything to say to me?"
Xia Chujian was silent for a while. She did have a lot to say, and she had briefly mentioned it to Huo Yushen in a message that day. She didn't expect him to take it so seriously.
But she couldn't let others hear those words, not even her family.
What's more, there was Liu Shun, the robot with particularly long ears, at home.
She tentatively asked, "...Can we use quantum entanglement encryption?"
Huo Yushen immediately understood her concerns and nodded: "I'll encrypt it."
This way, Xia Chujian would only passively receive, without putting too much burden on her Quantum Optical Brain.
Soon, the quantum entanglement encryption was completed.
Huo Yushen said: "Now, no one can hear us."
Xia Chujian breathed a sigh of relief and solemnly said: "I told Chief Meng about the Judge Organization and the Saintess the day before yesterday. You should already know about it, right?"
Huo Yushen's expression remained unchanged, answering without any personal emotion: "Yes, Little Meng has been to Wind Sea City and destroyed several strongholds of the Judge Organization there, arresting a large number of middle-level executives of the Judge Organization."
Xia Chujian immediately thought of what Yu Wangyou wrote in her final post on Star Blog, and asked with a low mood: "...Was it based on the clues provided by Yu Wangyou?"
"Yes."
"That's good..."
Xia Chujian's eyes wandered, some words, she didn't know whether to say or not.
Huo Yushen stared at her expression, the corner of his eye couldn't help but twitch slightly.
Although this girl has great potential, she is still too young, her emotions are written all over her face, anyone can tell what she is thinking.
Huo Yushen said with a cold face: "...Speak if you have something to say."
Xia Chujian pursed her lips, and finally tentatively asked: "This time, the natural gas explosion in our building, and the autopsies of the deceased, is there anything special about them?"
Huo Yushen immediately asked: "What special things did you discover?"
"...You mean, the Punishment Department didn't find anything special?"
"You don't have to worry about those good-for-nothings at the Punishment Department finding anything special."
Xia Chujian: "..."
She wasn't worried, she was disappointed, okay...?
Xia Chujian hesitated for a moment, and finally said, "Inspector Huo, you know I have the Shao Siming Black Silver Mecha..."
Before she could finish, Huo Yushen understood and said, "So, that's why you didn't tell anyone about this special thing? Including your direct superior, Meng Guanghui?"
Xia Chujian nodded frankly, "Inspector Huo is perceptive."
Huo Yushen: "...Speak."
Xia Chujian said, "That night, after chatting with Yu Wangyou for half the night, I didn't actually go back to sleep. Instead, I put on the Shao Siming Black Silver Mecha and went out for a stroll."
Huo Yushen: "..."
Xia Chujian pretended not to notice Huo Yushen's increasingly stern expression, and continued, "When I came back, it was already past three in the morning, and I found that there was an excessive amount of Teflon Alkane in our building."
Huo Yushen's expression turned slightly grim.
Huo Yushen had not seen Xia Chujian's statement in any of the investigation materials related to the fire in Building E Residential Building, North District 177, Mulan City, whether from Mulan City's own Disciplinary Department or the Branch Station under the Special Security Bureau.
This was quite interesting.
He pondered, "How did you determine it was Teflon Alkane? How did you determine that?"
Xia Chujian said, "My Shao Siming Black Silver Mecha measured it."
After a pause, she added, "I really didn't know this mecha could measure air quality."
Huo Yushen: "..."
His expression was cold, "This isn't measuring air quality. Advanced mechas have built-in filtration and identification systems to guard against harmful gases."
Xia Chujian: "..."
Okay, so she was ignorant.
Xia Chujian shrugged, and said nonchalantly, "I see, I'm poor, I've only used the Shao Siming Mecha, I have no concept of other mechas."
Huo Yushen stared at her sternly, feeling that she was doing it on purpose.
Who would use that tone to talk about a mecha of the Shao Siming's level?! If Meng Guanghui heard Xia Chujian say that, he might beat her up.
But Huo Yushen was used to Xia Chujian's unreliability, and didn't bother to get angry with this kind of person.
His tone was as icy and piercing as ever, "Do you know what Teflon Alkane does?"
Xia Chujian heard a hint of something else in his deliberately calm tone.
She raised her eyebrows and said, "Although my physics grades are at the bottom, I can still pass chemistry."
"I know that Teflon Alkane is a volatile gas that can cause deep coma. My Aunt and Wu Fu inhaled excessive amounts of Teflon Alkane at the time, which is why they were unconscious and had to go to the Medical Cabin for treatment."
"But the strange thing is, when my Aunt was examined at the Empire Hospital, the hospital didn't detect any Teflon Alkane residue, and only said that they had inhaled too much dust..."
Huo Yushen said in a low voice, "You also know that Teflon Alkane is a volatile gas, and it can't stay in the human body for more than five minutes."
"After five minutes, it completely integrates into the blood, rapidly reducing the oxygen content of red blood cells, causing the human body to lose vitality, and most people will suffocate to death."
"Once Teflon Alkane is integrated into red blood cells, there is no residue."
In other words, it would be a miracle if it could be detected...
Xia Chujian "ah"ed, "So vicious?! This thing is simply ruthless! The chemistry textbook didn't say it in such detail! If it weren't for the Shao Siming Mecha's warning, I might have been caught too!"
Huo Yushen said, "The technical conditions required for Teflon Alkane synthesis are very high, it is highly volatile, and the price is not cheap. One milligram costs one thousand Beichen Coins, which is not something ordinary people can afford."
Xia Chujian's heart stirred, and she asked suspiciously, "So expensive? Then how many milligrams of Teflon Alkane would it take to have an excessive amount in the entire building?"
Huo Yushen stared at her, and after a while, he said coldly, "Can't you calculate it yourself? It's a simple math problem."
Xia Chujian: "..."
She said shamelessly, "It's too slow to calculate. If Inspector Huo has ready-made data, can you share it?"
This answer was not unexpected for Huo Yushen.
He said coldly: "Since your Shao Siming Mecha can detect Teflon Alkane, it must have data recorded. Check it yourself."
Xia Chujian suddenly realized, oh right!
Since her Shao Siming Mecha detected an "excessive amount" of Teflon Alkane, it meant there must be data to support it, in order to say "excessive amount"! But she was now sitting in the dining room of her new home, and although there was no one around, who knew if someone would suddenly come in?
Her fingers caressed the Other Shore Flower Necklace around her neck a few times, and she said dejectedly, "Forget it, I'll check it when I get back to my bedroom."
Huo Yushen lowered his eyes and said, "In a closed space, two milligrams of Teflon Alkane per cubic meter are needed to make an adult weighing one hundred and twenty pounds unconscious."
"In an open space, six milligrams of Teflon Alkane per cubic meter are needed to make an adult weighing one hundred and twenty pounds unconscious."
Xia Chujian slowly widened her eyes and said with slight admiration, "Inspector Huo, how do you know so much?!"
This was even more of a genius than a genius! He could rattle off so much data! Huo Yushen didn't even look up, continuing with his cold face: "The Special Security Bureau has a database. I searched it."
Xia Chujian: "..."
She had admired him for nothing.
She composed herself, quickly did some mental calculations, and then said, "Our floor is about four hundred square meters, and the floor height is three meters, so the entire floor is one thousand two hundred cubic meters."
"The Teflon Alkane was released on the floor, so it's not completely closed, but it's not completely open either. Four milligrams per cubic meter, is that enough to make an adult weighing one hundred and twenty pounds unconscious?"
Huo Yushen nodded: "If the weight is less than one hundred and twenty pounds, less Teflon Alkane will be needed."
Xia Chujian immediately said, "Then an average of four thousand eight hundred milligrams of Teflon Alkane is needed per floor, worth four million eight hundred thousand Beichen Coins. Based on my observation, the entire building should be covered with Teflon Alkane. We have a total of eleven floors, so at least Teflon Alkane worth fifty-two million eight hundred thousand Beichen Coins is needed."
Huo Yushen frowned slightly: "...Are you sure the entire building has Teflon Alkane?"
"Not sure." Xia Chujian said calmly, "But I suspect that the entire building was filled with Teflon Alkane at the time, and all the residents in the building inhaled this volatile gas. Therefore, when the explosion and fire occurred, no one except me was awakened and got up to escape, resulting in the tragedy of more than five hundred deaths."
Huo Yushen said, "So you mean that this building explosion and fire was not an accidental accident, but man-made."
Xia Chujian nodded emphatically: "...This is murder!"
Huo Yushen said, "If it's murder, then what's the motive? Explaining the killing of so many people with mental illness is not enough. And a mentally ill person doesn't need to use Teflon Alkane as a means to kill."
...
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