Chapter 68
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Gong feilan said, the scalp of both people in the house was fried.
Gong Yingxian suddenly felt his face hot. Ren Yi quietly turned his face and turned his eyes at Qu Yangbo, who was trying to hold back his smile.
Gong Yingxian said with a straight face, "don't shout in the hospital."
"Brother, how are you?"
"What are you doing in the hospital? Don't you go to school?"
"I came after school." Gong feilan looked at Gong Yingxian and said anxiously, "where are you hurt? They said you were poisoned." She turned to Ren Yu again, "Captain Ren, are you poisoned, too?"
Ren Yi coughed softly: "just like you did that time, I inhaled carbon monoxide. I'll be fine in a few days."
Gong feilan breathed a sigh of relief: "I still saw the news on the Internet. No one told me. As soon as I saw that the accident was Hongwu hospital, I knew there must be you."
"Don't worry, it's okay."
Gong feilan looked at Gong Yingxian carefully and whispered, "you didn't tell me when you were in hospital. I'm worried about you."
Gong Yingxian's attitude was softer: "it's no use telling you. It also affects your reading."
Gong feilan tilted her lips and looked unconvinced. She went to Ren Yu's hospital bed again: "Captain Ren, when will you be fine?"
Sheng Bo poured a glass of water for Gong Yingxian: "young master, do you want to buy one of those oxygen chambers? Let's go home for treatment? It should be used by a single person."
When Gong Yingxian lowered his head to drink water, he glanced at Ren Yu quietly: "no, maybe I'll be discharged when it's delivered."
"We'll find a way to send it as soon as possible."
"Forget it, don't toss."
Sheng Bo was a little surprised. In the past, Gong Yingxian was determined not to come to the hospital. He was forced to come. He also left early if he could leave early. He had to be hospitalized for at least a week this time. He actually compromised?
Ren Cong smiled at Gong feilan: "it won't take a week to leave the hospital. It's all right."
"I heard you were almost buried." Gong feilan covered his heart, "I was scared to death when I saw the explosion scene on the Internet."
"It was saved in time."
"Rescue in time and artificial respiration?" Gong feilan shouted, "it must be very dangerous, isn't it, brother? Was it very dangerous to be the captain at that time?"
Ren Yi secretly grabbed the quilt and really wanted to throw the girl out.
Gong Yingxian was also embarrassed and gave a perfunctory "um".
"Last time our school did first aid training, but we used dummies when we did artificial respiration." Gong feilan's eyes lit up and showed a bad smile, "brother, I envy you so much. I haven't been the captain in person."
Gong Yingxian rebuked, "don't talk nonsense."
Sheng Bo secretly laughed.
Ren Yi tries his best to wink at Qu Yangbo and ask him to save the scene. Qu Yangbo pretends not to understand his meaning and admires their faces with interest.
"Instructor, did you see it?" Gong feilan said excitedly, "I also want to see two handsome men with artificial respiration."
Qu Yangbo said with a smile, "I see."
"Wow! Did you take pictures or record..."
"Feilan!" Gong Yingxian shouted, "if you make trouble again, you'll go home."
Gong feilan suddenly wilted and ran to Gong Yingxian to act like a spoiled girl: "don't be angry." At the same time, he secretly turned back and said to Qu Yangbo with his mouth: send it to me.
Ren Yu took the opportunity to take a look at Gong Yingxian. Seeing that his face was stiff and his eyes were not good, he seemed really angry. He sighed in his heart that it was really just an embarrassing memory for Gong Yingxian, so he had to pretend that nothing had happened and don't mention it.
Sheng Bo prepared the dinner cooked by the chef and several people had a meal together.
After dinner, the nurse came to lift the water. Qu Yangbo returned to the squadron. Sheng Bo also sent Gong feilan home.
When there were only two people left in the ward, they inevitably fell into embarrassment.
Ren Yu took the lead in breaking the silence. He asked as if nothing had happened: "how's the injury on your shoulder?" When he saw Gong Yingxian, he had to lean sideways. It must be very uncomfortable.
"Bone fracture, it will be inconvenient for the right hand to move during this period. It will be fine in two or three months."
"Ha ha, fortunately you are left-handed."
Gong Yingxian glanced at him. "What about you? How do you feel?"
"Just a headache, a little dizzy, OK." Ren Yu lay in bed and looked at the drops of medicine. "It's lucky to be alive."
"At that time... You were really dangerous." Gong Yingxian whispered, "if you save it later, you may be in shock."
"I know." Ren Yu smiled, "Hey, I haven't told you yet. Thank you for saving me."
Gong Yingxian was silent: "you're welcome."
Ren Yu racked his brains to think about what to talk about next, but he really didn't know how to ease the embarrassment for a moment.
Since experiencing what happened under the ruins, the atmosphere between them is not as relaxed as before. He doesn't know what Gong Yingxian thinks. Will he be suspicious, unhappy, or disgusted? He was eager to know what Gong Yingxian was thinking, but he was afraid to know.
Maybe things are not as serious as he thought. Gong Yingxian can understand the same men and the same body structure. Sometimes the physiological reaction caused by accidental touch is uncontrollable and can not represent any meaning, which can be fully explained.
Yes, just act natural. I want to come to Gong Yingxian as if nothing had happened.
Gong Yingxian secretly glanced at Ren Yu again and wanted to say something.
Ren Yu suddenly said, "Hey, let's watch a movie. Yang Bo brought me a projector. We have experience in hospitalization and are well equipped."
Gong Yingxian said, "no, I want to analyze the evidence." He picked up the computer in the head cabinet and looked at it.
Ren Yi said helplessly, "you're all hurt. Can you have a rest?"
"Now is the prime time to catch the murderer. The longer it takes, the more likely he is to hide or escape." Gong Yingxian said, "don't you have a headache? What else do you watch? Go to sleep."
"I can't sleep." Ren Yi lay on his side and silently looked at Gong Yingxian's perfect side face, "why don't you tell me about the case."
Gong Yingxian still stared at the computer: "according to the evidence we brought out and the constantly excavated things, I have analyzed the explosives used by the murderer and the way of reaction."
"Tell me."
"In short, the main material used by the killer to make the bomb was extracted from household disinfectant, and the explosion reaction was completed in two parts. The first part was to add disintegrating agent into sodium dichloroisocyanurate and put it into a closed plastic bottle to guide the core, and give the killer time to leave the building. The second part was to generate flammable and explosive trichloride through further chemical reaction Nitrogen. The explosive power of nitrogen trichloride is very strong. When the plastic bottle as the core explodes, it will detonate nitrogen trichloride. However, chlorine will be released during the reaction of nitrogen trichloride, which is very smelly and will be detected soon. Therefore, it will not take a long time from the time the killer puts down explosives in the room to the time he leaves the building, only a few minutes at most. "
Ren Yu was a little confused, but he generally understood: "this is the way the murderer made a time bomb... No, it should be called a delay bomb?"
"Yes, this method is actually very risky, because the chemical reaction is affected by many factors. If it explodes in advance, he can't run. This person must be very confident in his ability."
"Have you estimated how many minutes this reaction will take?"
"No more than five minutes at most. The smell of chlorine spreads so fast that Zhou Chuan can't smell it."
"Then this method is likely to fail."
"This is the method with the highest success rate in a short time." Gong Yingxian said in a deep voice, "because the door is guarded by the police, everyone in and out needs to check their certificates and items, so the killer can't bring any suspicious things in. All the things I said above can be disguised as cleaners, and their taste and appearance are similar to ordinary disinfectants and cleaners."
Ren Yi took a breath: "it's terrible. The murderer just muddled through in front of the police!"
"The man who made this bomb has deep chemical knowledge, and the things he uses are extracted from daily necessities."
"All these things can be extracted from daily necessities?"
"Yes, washing powder, disinfectant, detergent, effervescent tablets." Gong Yingxian narrowed his eyes. "He knows that the purchase of chemical raw materials needs to register his ID card, which is easy to be found, so at the beginning, I found nothing by tracking chemical raw materials. I woke up this morning and asked them to track effervescent tablets after I analyzed them. This equivalent explosion requires refining at least a large barrel of chemicals, which consumes a lot of raw materials."
"Have you found anyone suspicious?"
"Do you remember the three circle theory of criminal geography I mentioned to you?"
"Remember, what do you mean?"
"The explanation is a little complicated. In short, we have judged the scope of Hongyan's activities. During the day, the brigade sent a large number of police forces to visit 167 pharmacies and supermarkets within the scope of activities. It was found that a person divided more than 30 stores and bought several kilograms of effervescent tablets a few days ago."
"Did you take a picture of him?"
"Yes, although wearing a hat and mask, it is the same as the figure of the cleaner who hurried away before the explosion photographed by the hospital surveillance."
Ren Yi took a breath and exclaimed, "your efficiency is really high."
Gong Yingxian bit his teeth and flashed a ferocious look in his eyes: "he is provoking us, the police and the law. We can't catch him. What face do we have to wear this badge."
Please report us if you find any errors so we can fix it asap!
Gong feilan said, the scalp of both people in the house was fried.
Gong Yingxian suddenly felt his face hot. Ren Yi quietly turned his face and turned his eyes at Qu Yangbo, who was trying to hold back his smile.
Gong Yingxian said with a straight face, "don't shout in the hospital."
"Brother, how are you?"
"What are you doing in the hospital? Don't you go to school?"
"I came after school." Gong feilan looked at Gong Yingxian and said anxiously, "where are you hurt? They said you were poisoned." She turned to Ren Yu again, "Captain Ren, are you poisoned, too?"
Ren Yi coughed softly: "just like you did that time, I inhaled carbon monoxide. I'll be fine in a few days."
Gong feilan breathed a sigh of relief: "I still saw the news on the Internet. No one told me. As soon as I saw that the accident was Hongwu hospital, I knew there must be you."
"Don't worry, it's okay."
Gong feilan looked at Gong Yingxian carefully and whispered, "you didn't tell me when you were in hospital. I'm worried about you."
Gong Yingxian's attitude was softer: "it's no use telling you. It also affects your reading."
Gong feilan tilted her lips and looked unconvinced. She went to Ren Yu's hospital bed again: "Captain Ren, when will you be fine?"
Sheng Bo poured a glass of water for Gong Yingxian: "young master, do you want to buy one of those oxygen chambers? Let's go home for treatment? It should be used by a single person."
When Gong Yingxian lowered his head to drink water, he glanced at Ren Yu quietly: "no, maybe I'll be discharged when it's delivered."
"We'll find a way to send it as soon as possible."
"Forget it, don't toss."
Sheng Bo was a little surprised. In the past, Gong Yingxian was determined not to come to the hospital. He was forced to come. He also left early if he could leave early. He had to be hospitalized for at least a week this time. He actually compromised?
Ren Cong smiled at Gong feilan: "it won't take a week to leave the hospital. It's all right."
"I heard you were almost buried." Gong feilan covered his heart, "I was scared to death when I saw the explosion scene on the Internet."
"It was saved in time."
"Rescue in time and artificial respiration?" Gong feilan shouted, "it must be very dangerous, isn't it, brother? Was it very dangerous to be the captain at that time?"
Ren Yi secretly grabbed the quilt and really wanted to throw the girl out.
Gong Yingxian was also embarrassed and gave a perfunctory "um".
"Last time our school did first aid training, but we used dummies when we did artificial respiration." Gong feilan's eyes lit up and showed a bad smile, "brother, I envy you so much. I haven't been the captain in person."
Gong Yingxian rebuked, "don't talk nonsense."
Sheng Bo secretly laughed.
Ren Yi tries his best to wink at Qu Yangbo and ask him to save the scene. Qu Yangbo pretends not to understand his meaning and admires their faces with interest.
"Instructor, did you see it?" Gong feilan said excitedly, "I also want to see two handsome men with artificial respiration."
Qu Yangbo said with a smile, "I see."
"Wow! Did you take pictures or record..."
"Feilan!" Gong Yingxian shouted, "if you make trouble again, you'll go home."
Gong feilan suddenly wilted and ran to Gong Yingxian to act like a spoiled girl: "don't be angry." At the same time, he secretly turned back and said to Qu Yangbo with his mouth: send it to me.
Ren Yu took the opportunity to take a look at Gong Yingxian. Seeing that his face was stiff and his eyes were not good, he seemed really angry. He sighed in his heart that it was really just an embarrassing memory for Gong Yingxian, so he had to pretend that nothing had happened and don't mention it.
Sheng Bo prepared the dinner cooked by the chef and several people had a meal together.
After dinner, the nurse came to lift the water. Qu Yangbo returned to the squadron. Sheng Bo also sent Gong feilan home.
When there were only two people left in the ward, they inevitably fell into embarrassment.
Ren Yu took the lead in breaking the silence. He asked as if nothing had happened: "how's the injury on your shoulder?" When he saw Gong Yingxian, he had to lean sideways. It must be very uncomfortable.
"Bone fracture, it will be inconvenient for the right hand to move during this period. It will be fine in two or three months."
"Ha ha, fortunately you are left-handed."
Gong Yingxian glanced at him. "What about you? How do you feel?"
"Just a headache, a little dizzy, OK." Ren Yu lay in bed and looked at the drops of medicine. "It's lucky to be alive."
"At that time... You were really dangerous." Gong Yingxian whispered, "if you save it later, you may be in shock."
"I know." Ren Yu smiled, "Hey, I haven't told you yet. Thank you for saving me."
Gong Yingxian was silent: "you're welcome."
Ren Yu racked his brains to think about what to talk about next, but he really didn't know how to ease the embarrassment for a moment.
Since experiencing what happened under the ruins, the atmosphere between them is not as relaxed as before. He doesn't know what Gong Yingxian thinks. Will he be suspicious, unhappy, or disgusted? He was eager to know what Gong Yingxian was thinking, but he was afraid to know.
Maybe things are not as serious as he thought. Gong Yingxian can understand the same men and the same body structure. Sometimes the physiological reaction caused by accidental touch is uncontrollable and can not represent any meaning, which can be fully explained.
Yes, just act natural. I want to come to Gong Yingxian as if nothing had happened.
Gong Yingxian secretly glanced at Ren Yu again and wanted to say something.
Ren Yu suddenly said, "Hey, let's watch a movie. Yang Bo brought me a projector. We have experience in hospitalization and are well equipped."
Gong Yingxian said, "no, I want to analyze the evidence." He picked up the computer in the head cabinet and looked at it.
Ren Yi said helplessly, "you're all hurt. Can you have a rest?"
"Now is the prime time to catch the murderer. The longer it takes, the more likely he is to hide or escape." Gong Yingxian said, "don't you have a headache? What else do you watch? Go to sleep."
"I can't sleep." Ren Yi lay on his side and silently looked at Gong Yingxian's perfect side face, "why don't you tell me about the case."
Gong Yingxian still stared at the computer: "according to the evidence we brought out and the constantly excavated things, I have analyzed the explosives used by the murderer and the way of reaction."
"Tell me."
"In short, the main material used by the killer to make the bomb was extracted from household disinfectant, and the explosion reaction was completed in two parts. The first part was to add disintegrating agent into sodium dichloroisocyanurate and put it into a closed plastic bottle to guide the core, and give the killer time to leave the building. The second part was to generate flammable and explosive trichloride through further chemical reaction Nitrogen. The explosive power of nitrogen trichloride is very strong. When the plastic bottle as the core explodes, it will detonate nitrogen trichloride. However, chlorine will be released during the reaction of nitrogen trichloride, which is very smelly and will be detected soon. Therefore, it will not take a long time from the time the killer puts down explosives in the room to the time he leaves the building, only a few minutes at most. "
Ren Yu was a little confused, but he generally understood: "this is the way the murderer made a time bomb... No, it should be called a delay bomb?"
"Yes, this method is actually very risky, because the chemical reaction is affected by many factors. If it explodes in advance, he can't run. This person must be very confident in his ability."
"Have you estimated how many minutes this reaction will take?"
"No more than five minutes at most. The smell of chlorine spreads so fast that Zhou Chuan can't smell it."
"Then this method is likely to fail."
"This is the method with the highest success rate in a short time." Gong Yingxian said in a deep voice, "because the door is guarded by the police, everyone in and out needs to check their certificates and items, so the killer can't bring any suspicious things in. All the things I said above can be disguised as cleaners, and their taste and appearance are similar to ordinary disinfectants and cleaners."
Ren Yi took a breath: "it's terrible. The murderer just muddled through in front of the police!"
"The man who made this bomb has deep chemical knowledge, and the things he uses are extracted from daily necessities."
"All these things can be extracted from daily necessities?"
"Yes, washing powder, disinfectant, detergent, effervescent tablets." Gong Yingxian narrowed his eyes. "He knows that the purchase of chemical raw materials needs to register his ID card, which is easy to be found, so at the beginning, I found nothing by tracking chemical raw materials. I woke up this morning and asked them to track effervescent tablets after I analyzed them. This equivalent explosion requires refining at least a large barrel of chemicals, which consumes a lot of raw materials."
"Have you found anyone suspicious?"
"Do you remember the three circle theory of criminal geography I mentioned to you?"
"Remember, what do you mean?"
"The explanation is a little complicated. In short, we have judged the scope of Hongyan's activities. During the day, the brigade sent a large number of police forces to visit 167 pharmacies and supermarkets within the scope of activities. It was found that a person divided more than 30 stores and bought several kilograms of effervescent tablets a few days ago."
"Did you take a picture of him?"
"Yes, although wearing a hat and mask, it is the same as the figure of the cleaner who hurried away before the explosion photographed by the hospital surveillance."
Ren Yi took a breath and exclaimed, "your efficiency is really high."
Gong Yingxian bit his teeth and flashed a ferocious look in his eyes: "he is provoking us, the police and the law. We can't catch him. What face do we have to wear this badge."
Gong feilan said, the scalp of both people in the house was fried.Gong Yingxian suddenly felt his face hot. Ren Yi quietly turned his face and turned his eyes at Qu Yangbo, who was trying to hold back his smile.Gong Yingxian said with a straight face, "don't shout in the hospital.""Brother, how are you?""What are you doing in the hospital? Don't you go to school?""I came after school." Gong feilan looked at Gong Yingxian and said anxiously, "where are you hurt? They said you were poisoned." She turned to Ren Yu again, "Captain Ren, are you poisoned, too?"Ren Yi coughed softly: "just like you did that time, I inhaled carbon monoxide. I'll be fine in a few days."Gong feilan breathed a sigh of relief: "I still saw the news on the Internet. No one told me. As soon as I saw that the accident was Hongwu hospital, I knew there must be you.""Don't worry, it's okay."Gong feilan looked at Gong Yingxian carefully and whispered, "you didn't tell me when you were in hospital. I'm worried about you."Gong Yingxian's attitude was softer: "it's no use telling you. It also affects your reading."Gong feilan tilted her lips and looked unconvinced. She went to Ren Yu's hospital bed again: "Captain Ren, when will you be fine?"Sheng Bo poured a glass of water for Gong Yingxian: "young master, do you want to buy one of those oxygen chambers? Let's go home for treatment? It should be used by a single person."When Gong Yingxian lowered his head to drink water, he glanced at Ren Yu quietly: "no, maybe I'll be discharged when it's delivered.""We'll find a way to send it as soon as possible.""Forget it, don't toss."Sheng Bo was a little surprised. In the past, Gong Yingxian was determined not to come to the hospital. He was forced to come. He also left early if he could leave early. He had to be hospitalized for at least a week this time. He actually compromised?Ren Cong smiled at Gong feilan: "it won't take a week to leave the hospital. It's all right.""I heard you were almost buried." Gong feilan covered his heart, "I was scared to death when I saw the explosion scene on the Internet.""It was saved in time.""Rescue in time and artificial respiration?" Gong feilan shouted, "it must be very dangerous, isn't it, brother? Was it very dangerous to be the captain at that time?"Ren Yi secretly grabbed the quilt and really wanted to throw the girl out.Gong Yingxian was also embarrassed and gave a perfunctory "um"."Last time our school did first aid training, but we used dummies when we did artificial respiration." Gong feilan's eyes lit up and showed a bad smile, "brother, I envy you so much. I haven't been the captain in person."Gong Yingxian rebuked, "don't talk nonsense."Sheng Bo secretly laughed.Ren Yi tries his best to wink at Qu Yangbo and ask him to save the scene. Qu Yangbo pretends not to understand his meaning and admires their faces with interest."Instructor, did you see it?" Gong feilan said excitedly, "I also want to see two handsome men with artificial respiration."Qu Yangbo said with a smile, "I see.""Wow! Did you take pictures or record...""Feilan!" Gong Yingxian shouted, "if you make trouble again, you'll go home."Gong feilan suddenly wilted and ran to Gong Yingxian to act like a spoiled girl: "don't be angry." At the same time, he secretly turned back and said to Qu Yangbo with his mouth: send it to me.Ren Yu took the opportunity to take a look at Gong Yingxian. Seeing that his face was stiff and his eyes were not good, he seemed really angry. He sighed in his heart that it was really just an embarrassing memory for Gong Yingxian, so he had to pretend that nothing had happened and don't mention it.Sheng Bo prepared the dinner cooked by the chef and several people had a meal together.After dinner, the nurse came to lift the water. Qu Yangbo returned to the squadron. Sheng Bo also sent Gong feilan home.When there were only two people left in the ward, they inevitably fell into embarrassment.Ren Yu took the lead in breaking the silence. He asked as if nothing had happened: "how's the injury on your shoulder?" When he saw Gong Yingxian, he had to lean sideways. It must be very uncomfortable."Bone fracture, it will be inconvenient for the right hand to move during this period. It will be fine in two or three months.""Ha ha, fortunately you are left-handed."Gong Yingxian glanced at him. "What about you? How do you feel?""Just a headache, a little dizzy, OK." Ren Yu lay in bed and looked at the drops of medicine. "It's lucky to be alive.""At that time... You were really dangerous." Gong Yingxian whispered, "if you save it later, you may be in shock.""I know." Ren Yu smiled, "Hey, I haven't told you yet. Thank you for saving me."Gong Yingxian was silent: "you're welcome."Ren Yu racked his brains to think about what to talk about next, but he really didn't know how to ease the embarrassment for a moment.Since experiencing what happened under the ruins, the atmosphere between them is not as relaxed as before. He doesn't know what Gong Yingxian thinks. Will he be suspicious, unhappy, or disgusted? He was eager to know what Gong Yingxian was thinking, but he was afraid to know.Maybe things are not as serious as he thought. Gong Yingxian can understand the same men and the same body structure. Sometimes the physiological reaction caused by accidental touch is uncontrollable and can not represent any meaning, which can be fully explained.Yes, just act natural. I want to come to Gong Yingxian as if nothing had happened.Gong Yingxian secretly glanced at Ren Yu again and wanted to say something.Ren Yu suddenly said, "Hey, let's watch a movie. Yang Bo brought me a projector. We have experience in hospitalization and are well equipped."Gong Yingxian said, "no, I want to analyze the evidence." He picked up the computer in the head cabinet and looked at it.Ren Yi said helplessly, "you're all hurt. Can you have a rest?""Now is the prime time to catch the murderer. The longer it takes, the more likely he is to hide or escape." Gong Yingxian said, "don't you have a headache? What else do you watch? Go to sleep.""I can't sleep." Ren Yi lay on his side and silently looked at Gong Yingxian's perfect side face, "why don't you tell me about the case."Gong Yingxian still stared at the computer: "according to the evidence we brought out and the constantly excavated things, I have analyzed the explosives used by the murderer and the way of reaction.""Tell me.""In short, the main material used by the killer to make the bomb was extracted from household disinfectant, and the explosion reaction was completed in two parts. The first part was to add disintegrating agent into sodium dichloroisocyanurate and put it into a closed plastic bottle to guide the core, and give the killer time to leave the building. The second part was to generate flammable and explosive trichloride through further chemical reaction Nitrogen. The explosive power of nitrogen trichloride is very strong. When the plastic bottle as the core explodes, it will detonate nitrogen trichloride. However, chlorine will be released during the reaction of nitrogen trichloride, which is very smelly and will be detected soon. Therefore, it will not take a long time from the time the killer puts down explosives in the room to the time he leaves the building, only a few minutes at most. "Ren Yu was a little confused, but he generally understood: "this is the way the murderer made a time bomb... No, it should be called a delay bomb?""Yes, this method is actually very risky, because the chemical reaction is affected by many factors. If it explodes in advance, he can't run. This person must be very confident in his ability.""Have you estimated how many minutes this reaction will take?""No more than five minutes at most. The smell of chlorine spreads so fast that Zhou Chuan can't smell it.""Then this method is likely to fail.""This is the method with the highest success rate in a short time." Gong Yingxian said in a deep voice, "because the door is guarded by the police, everyone in and out needs to check their certificates and items, so the killer can't bring any suspicious things in. All the things I said above can be disguised as cleaners, and their taste and appearance are similar to ordinary disinfectants and cleaners."Ren Yi took a breath: "it's terrible. The murderer just muddled through in front of the police!""The man who made this bomb has deep chemical knowledge, and the things he uses are extracted from daily necessities.""All these things can be extracted from daily necessities?""Yes, washing powder, disinfectant, detergent, effervescent tablets." Gong Yingxian narrowed his eyes. "He knows that the purchase of chemical raw materials needs to register his ID card, which is easy to be found, so at the beginning, I found nothing by tracking chemical raw materials. I woke up this morning and asked them to track effervescent tablets after I analyzed them. This equivalent explosion requires refining at least a large barrel of chemicals, which consumes a lot of raw materials.""Have you found anyone suspicious?""Do you remember the three circle theory of criminal geography I mentioned to you?""Remember, what do you mean?""The explanation is a little complicated. In short, we have judged the scope of Hongyan's activities. During the day, the brigade sent a large number of police forces to visit 167 pharmacies and supermarkets within the scope of activities. It was found that a person divided more than 30 stores and bought several kilograms of effervescent tablets a few days ago.""Did you take a picture of him?""Yes, although wearing a hat and mask, it is the same as the figure of the cleaner who hurried away before the explosion photographed by the hospital surveillance."Ren Yi took a breath and exclaimed, "your efficiency is really high."Gong Yingxian bit his teeth and flashed a ferocious look in his eyes: "he is provoking us, the police and the law. We can't catch him. What face do we have to wear this badge."
