Concubine

Chapter 185

Yang Qiuchi asked: "Where was the guard of the granary that caught fire at that time?"

"In the second building, there is a small wooden house next to the granary, where the guards sleep at night. There are also guards at the gate of the granary, but they are only responsible for guarding the entrance and exit."

The concierge took Yang Qiuchi to the wreckage of the granary in the north, and roughly pointed to the second and third granaries that caught fire at that time, as well as the house where the guard was on duty.Yang Qiuchi stood there rubbing his chin and pondering for a while, then smiled and said to the concierge: "Go back and do your work first, I want to take a look around here."

Yang Qiuchi asked Master Long to reward the concierge with another two taels of silver, and the concierge happily thanked him and left.

Yang Qiuchi walked to the ruins and ordered the guards to carefully remove the tiles on the ruins of the second granary that the concierge said was the first to catch fire, revealing the burnt black scrambled wood underneath. First carefully observe the cracks, and then Use a small knife to scrape off the coke on the top to see.

Yang Qiuchi ordered the guards to carefully clean up the tiles and bricks near the bottom of the log, then squatted down, and carefully planed off the top layer of ashes, revealing a few pieces of unburned wood. He picked one up and looked at it. nodded.

After inspecting the granary in the north, Yang Qiuchi asked Jin Yiwei's guards to remove the tiles on the ruins of the third granary. After careful inspection, he went on to inspect the ruins of granaries in other places, but the inspection speed was faster.By the time all the inspections were finished, the sky had already darkened.

Song Yun'er and others didn't dare to disturb Yang Qiuchi, they quietly watched him busy.After he finished his work, he asked, "Brother, did you find anything?"

Yang Qiuchi patted his dirty hands and said, "It's not a fire, but arson on purpose!"

ah?Everyone was taken aback, and deliberately set fire to the relief food?This is a capital offense.

Song Yuner asked: "Brother, are you not mistaken?"

"It's not wrong, come and take a look." Yang Qiuchi walked to the ruined wall of the granary where the fire started first, and pointed to a section of charred wood: "This is where the fire first ignited."

"Brother, you are amazing, so many charred and rotten wood, how do you know that it was ignited from here?"

"Did you notice that the wood here is different from the others?"

Song Yun'er walked to that piece of wood and looked at it. It was a big round pillar. It seemed to be a pillar in the granary, which fell down after the granary burned down.She found a small stick and poked the scorched log, looked at Yang Qiuchi suspiciously: "Is there any difference?"

Yang Qiuchi ordered Nan Gongxiong to go to the ruins of other granaries to the south and grab a piece of scorched wood, put the two pieces together, and asked, "Now? Did you find anything?"

Song Yun'er carefully looked at the two pieces of charred wood, they were covered with scorched black cracks, she couldn't see any difference, so she shook her head.

Pointing to the scorched cracks on the surface of the wood, Yang Qiuchi said: "The degree of carbonization on the surface of the log in the granary that caught fire first is relatively shallow - carbonization means the degree to which the wood is burned into black carbon - the carbonization of the wood burns, and its surface The depth of carbonization in the granary increases as the fire gradually increases. The carbonization of the wood in this granary is obviously lighter than that of other granaries. From this, it can be judged that this is the point of fire.”

"The cracks formed by charred wood around the fire point are shallow and relatively thin. That's because when the fire at the fire point ignites, the fire is relatively small and the firepower is not strong, and the log is relatively thick and cannot be fully burned, so Only the surface was burned. The water in the wood was heated and sprayed out, which formed the shallow and thin cracks. As the fire became bigger and the intensity of the wood burning increased, the cracks formed became thicker and deeper."

"After the fire ignited, since the granary was hollow, the fire mainly burned the upper part of the roof, so the part below the column did not burn well. When the roof was burned through, the beams were blown, and the heavy covering The tiles collapsed, and because there was no air, the column could not continue to burn, so it retained the original appearance of being burnt when the fire broke out.”

Yang Qiuchi pointed to the piece of wood carried by the guide Gongxiong: "This one is different. It was burned after the fire was very strong. The temperature is very high, the fire is very fierce, and it burns quickly, so it will form. This deep and thick crack."

Song Yun'er understood a bit: "Brother, you mean, if you find this kind of wood with relatively small and thin cracks, it's the place where the fire started, right?"

"This is the case in most cases," Yang Qiuchi said, "especially when there is wind, the fire follows the wind, and the fire burns bigger and bigger. The fire at the starting point is blown by the wind and follows the wind direction. Therefore, the burning degree of combustibles near the initial fire point is relatively lighter than that at the back. Since the fire point is different from the burning degree of wood in other places behind, their cracks are also different. You can find the fire point based on this. "

"However, when there is no wind, the situation may be just the opposite. Due to the continuous burning of the fire point, the burning time is longer than other places, and the burning will be more complete and the burning degree will be stronger. However, other places may be destroyed by water due to timely rescue. When it is doused, it burns relatively lightly. In this case, the cracks formed are just the opposite."

Song Yun'er nodded if she had realized something, and said happily: "I see, you just asked the concierge specifically whether there is wind and what direction it is, and you are judging the point of fire."

"Yes." Yang Qiuchi smiled, "Actually, after analyzing the difference between the fire point and other fire points for a long time, I can't compare it with a more intuitive evidence to explain the problem."

"What evidence?" Song Yuner wondered.

Yang Qiuchi pointed to a half-collapsed granary in the north: "Did you notice that this granary was not burned down, but demolished."

Everyone looked at it, and sure enough, although more than half of the granary was blackened by smoke, the northern half of the granary was still relatively intact.Not knowing what was going on, he looked at Yang Qiuchi suspiciously.

Yang Qiuchi said: "The remaining granary is the first granary counted from the north, it is in the north, and according to the analysis just now, the second granary caught fire first, but the north wind blew that night, and The wind is strong, and the fire spreads along the wind and does not burn back against the wind."

"In addition, the distance between the two granaries is more than ten steps, which is still relatively far. Therefore, the granary on the upwind side was not burned except for being smoked by fire. The other granaries on the downwind side were all burned. This is It is the best proof of the point of fire."

Yang Qiuchi walked to the bottom of the log in the second granary, pointed to the charcoal logs that had not been completely burned in the few sections just now, and said, "Have you noticed these small logs that have not been completely burned? This is the ultimate proof of arson. Important evidence."

Song Yuner and the others looked at Yang Qiuchi in puzzlement. How could the charred wood that hadn't been burned in a few sections prove to be arson?

Yang Qiuchi said: "Think about it, why is there such a small pile of wood on the corner of the granary? What is it used for?" Yang Qiuchi picked up one, scraped off the charred part on it, and exposed the inside Then handed it to the little girl Yuechan: "You must have cooked and cooked in the countryside when you were young. Take a look, what kind of wood is this?"

Yuechan took it with both hands, turned it over and looked carefully: "Master, this is a high-quality pine tree, and there is still oil on it."

"What is this for?"

"Fire, when cooking, it's best to use this kind of dry pine wood with a lot of oil."

Song Yuner and the others were all from wealthy backgrounds, and almost never worked in the kitchen, so they were not familiar with this kind of firewood for cooking. After hearing Yuechan's introduction, they suddenly realized that in a place like the granary where fireworks are strictly prohibited, such a A small pile of kindling, what is it for if it is not used to set fire?It seems that this is undoubtedly the starting point of intentional fire.

Master Jin listened to Yang Qiuchi's analysis, his eyes widened immediately, he nodded in admiration, remembered something, and then asked curiously: "My lord, what is your purpose in looking for this fire point?"

Song Yun'er rushed to say: "Hey! I don't know, of course it is to judge whether it was arson or a fire - am I right? Brother."

"Smart!" Yang Qiuchi praised, "Yun'er is right, find the point of fire, and according to the situation of the fire point, you can find the real cause of the fire."

Song Yuner tilted her head proudly, but when she saw the burnt black granary wreckage, she frowned and asked, "Brother, I'm getting dizzy seeing such messy things, how did you find out that this is Did you set fire on purpose?"

"Didn't I say that? Any crime will leave traces!" Yang Qiuchi walked forward a dozen steps, pointed to the ground and said: "Just now the concierge said that the room where the guards are on duty is located here. Since it is confirmed that it is the guard The granary was destroyed by a fire while keeping warm, but this room is on the south side, and the fire point we identified just now was more than ten steps away from the north side. It stands to reason that if the fire accidentally caught fire due to heating, the fire point should be near the heating stove. Yes, how could this fire point have gone more than ten steps away?"

Song Yuner thought for a while: "Could it be that they moved the stove there?"

"It's possible," Yang Qiuchi said, "However, the pillar that started the fire we saw just now is located in a corner of the granary, and the ruins show that other places are open spaces. It is also more than ten steps away from another granary. Would you not keep warm in the room, but run outside to the corner of the granary to keep warm? It’s unreasonable.”

Song Yun'er smiled: "There are cases that do not conform to common sense."

"But there are more common sense cases! Detecting a case is to put the most likely situation as the primary investigation object, and when the common sense cases are excluded, the unreasonable things are often the truth."

Song Yun'er nodded and said, "Brother, what you said makes sense."

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