Striving to be the successor of the age of Chuanshu

??As for anatomy, Qianyan is indeed ignorant, but she is very confident in solving secret chamber puzzles.

??She first checked the doors and windows to confirm that the whole house was indeed sealed.

?? The only difference from the traditional secret room is that although this room is in an old building decades ago, there is no elevator, and there is no surveillance in the corridor, but the door is equipped with a new fingerprint lock.

??Yi Wu came out from a room and saw Qianyan squatting on the ground staring at the place where the dead had been lying.

??Qianyan closed her eyes, as if sniffing the remaining breath in the room.

?? "Did you find anything?" Yi Wu asked.

?? Qian Yan turned to look at her, "The body is burnt like this, can you confirm the time of death?"

According to the data, the courier came to deliver the courier five days ago. When he knocked on the door, he found that the door was hot, and there was a smell from the crack of the door. Firefighters found a body in the fire.

?? Fortunately, the fire was extinguished in time, and the body was still intact, but the surface was burnt.

?? Yi Wu: "There are no corpse spots, so the time of death can only be determined by extracting the stomach residue and observing the degree of corruption of the corpse. However, the temperature changes greatly in this season, and the result may be a day or two away from the truth."

"A day or two..." Qian Yan frowned in thought, "The body was discovered five days ago, and there were only a few days in total. If an error of one or two days is added, the accuracy will be compromised too much .”

??Yi Wu narrowed his eyes, "That's right, but I'd better wait until I finish the autopsy before making a conclusion. Tell me what you think first, how do you think the deceased died?"

??Qianyan poked through the embers around the corpse twice with tweezers, "It's definitely not suicide, and she wasn't burned to death."

?? Yi Wu glanced at the burnt-out coffee table and sofa in the center of the living room, "Why do you conclude that he was not burned to death? Obviously there was a fire here."

?? "There were obvious wounds on the neck of the deceased, and the burns were so serious, it is obvious that the murderer set the fire just to cover up the real cause of death," Qianyan said in a steady and clear voice, "If you observe the layout of the fire scene, you will find that the combustibles are concentrated around the corpse , obviously the murderer wanted to destroy only this corpse."

?? Yi Wu nodded in agreement, "If a person is burned after death, there will be no black charcoal attached to the trachea. As long as the corpse is dissected, it is easy to distinguish. You are right, the murderer did not burn the corpse for Create the illusion of being burned to death, but to cover up the method of killing."

??Qianyan picked up a smear of dust from the ground, and signaled Yi Wu to squat down and watch together.

??It was the first time for Qianyan to wear a criminal case modeling book. She couldn't help but sigh that the books used by state agencies are more advanced than the hardcover books she bought at a high price. The various sensations of the human body are magnified several times. Can see the details of things.

??It seems that Yi Wu's thumping heartbeat can still be heard.

??Yi Wu stared at the black ash for a moment, thought for a while and said, "I'll take it for a test to see what the ingredients are..."

"No need," Qianyan suddenly smiled mysteriously, "This is the product of burning potassium chlorate and sugar."

?? Yi Wu wondered: "How do you know?"

??Qianyan leaned forward and whispered into Yi Wu's ear at close range: "Senior sister, it seems that you don't usually set fires, do you?"

??Yi Wu casually pressed the red button on the wristwatch, Qianyan caught a glimpse of it, raised her eyebrows and asked, "Why did you turn off the microphone?"

?? Yi Wu laughed lightly, "I'm afraid that if you talk about it, you will talk about yourself in the police station."

?? Qianyan: "?"

?? Yi Wu: "Are you sure you want to discuss with me the glorious deeds of your arson?"

"...Okay, let's continue, where did we go? Set fire, yes, I suspect that the murderer made the fire through the reaction of potassium chlorate and sugar, and the reactants should be piled up here," Qianyan pointed at the corpse beside the corpse. Location, "The murderer put a lot of paper and cloth next to the corpse, plus the broken carpet under him, no matter what, it can start the fire."

??Yi Wu asked: "Why didn't he just light the fire when he wanted to set it on fire, instead of burning it in this way?"

?? Qian Yan looked at the well-behaved senior sister lightly, paused and said: "Sister, you look like a good boy at first glance, no wonder my parents like you."

?? Yi Wu propped his forehead with one hand, looked at her with a smile on his lips, "What do you want to say?"

"It's a child's nature to play pranks, and it's a child's wisdom not to be caught after playing a prank. And I am that wise child." Qian Yan rubbed the powder on her fingertips through the glove, "But I'm only in the book Doing this is more particular in reality, not for fun... I usually use potassium chlorate and sugar to react to ignite the fire, and the main purpose of doing this is to create alibi."

?? Qianyan deliberately stopped, waiting to hear Yi Wu sing a harmony with herself.

??Yi Wu just looked at her with a smile.

Seeing that she didn't intend to answer, Qianyan continued: "I guess the murderer has the same idea as me. First, put a little powder mixed with potassium chlorate and sugar on the things you want to order, and then design to drip it into it at the right time. A few drops of concentrated sulfuric acid can ignite the fire in an instant."

?? Yi Wu: "In order to create an alibi?"

?? Qianyan: "Yes."

?? Yi Wu: "But the police have been investigating for five days, and they haven't even identified the suspect. Why does the murderer need to make an alibi?"

??The two were relatively silent for a moment, and Qianyan suddenly showed a suspicious expression, "Sister, are you kidding me?"

?? Yi Wu raised his eyebrows, "What happened to you?"

??Qianyan: "You have won the national award from our academy for two years in a row, and you are asking me this kind of question now?! I have every reason to suspect that you deliberately cater to me."

??Yi Wu stared at her indifferently, and Shaoqing suddenly smiled, "I really didn't intend to cater to you. If you didn't point out the chlorine sugar reaction, I might not have thought of it."

?? Qianyan had an expression of 'I believe you will be a ghost'.

??Yi Wu smiled and shook his head, picked up a small light-colored glass bottle that was upside down on the ground with a clip and said, "If I guessed right, this bottle is used to hold concentrated sulfuric acid, right?"

??Qianyan handed over an iron plate, caught the glass bottle, and did not touch it directly with her hands, "That's right, the murderer set up some kind of mechanism in the room, so that the bottle fell down after he left, and the concentrated acid inside flowed out. When encountering a mixture of potassium chlorate and sugar, ignite a large amount of combustible materials arranged in advance around the deceased, so as to achieve the purpose of cremation.”

??Yi Wu intentionally lured Qianyan to talk about it alone, but he actually had his own consideration——

??At this moment, all the teachers sitting outside the modeling book are associate professors and above.

??The most important thing is that most of them will participate in the entrance assessment of the Huaguo Chuanshu Medical Training Team. If Qianyan's performance can impress them, maybe she may become the most famous in the history of Huaguo. The youngest member of the training team.

?? "Yi Wu, look."

?? Qianyan's voice suddenly came from above her head.

??Yi Wu looked up and saw that Qianyan had moved a ladder/child under the electric fan.

??The thousand-faced person straddled the top of the ladder/ladder, his eyes resting on the dust deposited on the back of the ceiling fan blades for many years.

?? "What did you find?" Yi Wu stood up.

??Qianyan pointed back at the pile of scattered wires under the TV cabinet, "Yi Wu, I may need you to help me compare the wires with the dust on the electric fan. There are marks on the blades of the electric fan that have been carried by rope-like things. "

??·

?? After 10 minutes, Yi Wu switched from the dissection room scene back to the living room.

??Qianyan was scraping the floor with a metal knife, and she caught the black solid that fell off with a small glass bottle.

?? This was a few drops of shaped jelly mixed in the ashes and ruins, so black that it almost merged with the charred furniture.

?? The original is extremely difficult to find.

??Fortunately, the Criminal Case Modeling Book magnified people's eyesight and sense of smell several times, coupled with Qian Yan's already keen observation ability, which allowed her to find it in a pile of ruins.

??Qianyan took the wire she took for testing from Yi Wu, then continued to scrape the embers on the floor with her head down, and asked, "How is it?"

?? Yi Wu squatted beside her, "You guessed right, the dust on the wires came from the electric fan. The two kinds of ash have exactly the same content of microbes, rust, and plant pollen... But what does it mean? "

??Qianyan pointed to the old electric fan above his head, "The murderer transported the body back to the deceased's home for the first time. He originally wanted to fake him as hanging himself, and he tried throwing the electric wire on the electric fan. The ash on the electric wire was It was stained at that time."

?? Yi Wu: "Then why didn't he do it in the end?"

?? Qianyan tugged at the wire, "I guess when he hung up the corpse, he suddenly found that hanging himself could not completely cover the previous traces, so he decided to change the cover-up method temporarily."

??Yi Wu gave an approving look, "But... what does this mean?"

"It means that the murderer has come here at least twice." Qianyan felt a strange feeling in her heart, as if she was being led away by someone. "The first time he came in a hurry and didn't prepare enough tools, so he left halfway After leaving the deceased’s house, the scene we see now is the second time he came to arrange it.”

?? Yi Wu: "And then?"

?? Qian Yan: "He can unlock the door with the fingerprint of the deceased's corpse the first time he enters the door, but he will definitely not bring the corpse with him when he goes out to prepare materials, so he changed the way when he entered the door for the second time—if I didn't guess If it is wrong, the corpse should be missing a finger."

??Yi Wu nodded, "That's right, the corpse's right index finger was indeed cut off."

?? Qianyan threw the wire away, and handed Yi Wu a small tube of black jelly that had been collected, "I will have Doctor Lao Yi to identify the composition of this thing again."

?? Yi Wu: "What is this?"

"I don't know either," Qianyan said, "It looks like liquid droplets formed after melting plastic. You'll have to wait until you test it to find out."

??Yi Wu was about to get up and go to the dissecting room when he suddenly felt his trousers being pulled. Looking down, he saw Qianyan picking up several evidence bags from his side, which contained a stone, some nail powder, A large bag of black, unrecognizable, charred objects that look disgusting at first glance...

?? "Senior sister, let's test these together too!"

?? Yi Wu: "OK."

Half an hour later, Yi Wu came out of the autopsy room with three test reports, "The most disgusting thing in this bag is the product of burning plastic products, it may be plastic basins, buckets and the like. The stones are ordinary marble. Fragments, human skin tissue was detected in the fingernail dust, and it did not belong to the deceased, but most likely belonged to the murderer."

?? At this time, a teacher outside the venue asked the police: "Have the police investigated the source of the skin tissue in the finger crevices of the deceased?"

?? The police said: "Yes, as soon as we found these skin tissues, we immediately asked everyone who was questioned to do a DNA comparison, but no one matched. "

??Qianyan took the last test report and stared at the ingredient column for a moment, "Polyamide fiber... what is this?"

??Yi Wu: "Commonly known as nylon."

??Qianyan fell into deep thought, "Why is there nylon on the floor?"

"It's not uncommon to have nylon on the floor," Yiwu said. "Cable wraps, toothbrush monofilaments, sockets, plastic films...anything could be nylon."

??Qianyan squatted down, squinting her eyes to focus on the scorched floor.

??The surface of the floor is the residue of being burned into charcoal layer by layer. You can faintly see many drops of liquid droplets formed after the plastic melted at high temperature. Part of it is covered by black ash, and the part that can be seen by the naked eye has also dried up. Like old grease stains.

"Yi Wu, come and have a look," Qian Yan beckoned, "The traces left on the floor after these nylons have been burned can roughly be seen as a line. Are there any nylon products that have this shape and will be released by people?" What about on the floor?"

?? Yi Wu: "Nylon rope."

?? Qianyan glanced at her, "What are you doing with the nylon rope on the floor?"

"Maybe it was brought by the murderer." Yi Wu patted Qian Yan's shoulder and stood up, "Okay, you reason here first, I went to the morgue to dissect the body, maybe there will be new ones Discover."

?? Qianyan also stood up, "I'll go with you."

??Yi Wu looked at her suspiciously.

??Qianyan: "...Why, don't you believe me?"

??Yi Wu was actually just a little surprised.

??Who was the guy who almost spit out the bile just now?

?? "I believe you," Yi Wu said, "I believe you unconditionally."

"Cut," Qian Yan patted Yi Wu away and stretched out his hand, "I don't believe you."

?? Yi Wu smiled, "Trust me."

??Qianyan didn't continue to look at her, but at the moment when Qianyan turned around, Yi Wu's murmur, which was magnified several times, could be heard in a low voice. I heard it in vain——Yi Wu said: "Trust me, it's not a loss." '

?? As if emphasizing something to someone.

?? It seems that she just wants to convince herself.

??At this moment, Qianyan was swindled many times and had already been swindled out of experience. The nerves suddenly shook, and she thought for a moment: "There is something tricky!"