Chapter 148: I thought of something interesting Finished talking. Wingdings: ♦︎♦︎⬧︎♦︎◆︎⌧︎♦︎♦︎□︎❍︎ The man in the black hood picked up the red down jacket while wearing gloves and began to put it on Zhao Sihai. Zhao Sihai was completely unable to move now. Even if he was still conscious, he could only watch the other party do whatever he wanted to him. He couldn't even open his mouth to ask "why"! Su Chen, who was on the side, stared intently at the movements of the real murderer. This down jacket has been inspected inside and out by the Platinum City Police, and nothing unusual was found. There were no signs of stitching on the clothes, and the stuffing inside was just ordinary feathers. Therefore, for a long time, the Platinum City police were still confused about its role. But in Su Chen's initial thoughts, it was useful and a necessary item in the murderer's method.
When the person wearing the hood put Zhao Sihai in his down jacket. The whole scene stops at the right moment. Su Chen waited until it was time for him to reason. "If my guess is correct, there is a way to deceive the police and forensic experts about time." "That is to set up a delayed death device." He can make the time when the murderer committed the crime not match the time when the deceased died. Su Chen spoke slowly and expressed his judgment. "If this device was triggered after the murderer left the scene and killed the victim, then the murderer would naturally have an alibi at the time of death inferred by the medical examiner." So, how to determine what kind of delay device the murderer used? Su Chen lowered his head and thought. In fact, if you try to speculate, you can't imagine it out of thin air. However, if you think backwards and deduce from the scene of death, there are traces to follow! "The final death posture of the deceased caused by this delay device was death by hanging." "Then, I can naturally know that it is a device to prevent the deceased from being hanged immediately..." Su Chen snapped his fingers. Then, the scene in front of him began to flow. The hooded man picked up Zhao Sihai, who was wearing a red down jacket, and dragged him to the center of the room, under the ceiling fan - the place where the deceased died. He first tied Zhao Sihai's hands with plastic straps. Then, he used a strong strap to make a slip knot and put it around Zhao Sihai's neck.
Zhao Sihai's eyes revealed extreme panic and helpless despair. But the man in the hood seemed not to notice, and his men moved quickly. "stop." Su Chen said. The screen stopped. Then, Su Chen held his chin and looked at Zhao Sihai, who was already tied up. He began to speculate on his suspicions. "For reasoning about this device, we must start from the analysis of abnormal details at the scene." "I want to go back to the original question, what is the heater on?" When cracking the secret room, his first idea was to use heating to melt the ice to eliminate evidence. But later, because it takes a lot of time for the ice to melt, it will leave a lot of water that has no time to evaporate. Therefore, this speculation was denied by Su Chen. "Until, I found... an ice pack in Zhao Ping's canteen!" Su Chen murmured: "If you use an ice pack, the water formed after the ice cubes melt will not flow out." "Of course, the ice pack is irregularly shaped and cannot be used to close windows, but it can be used in other ways." "For example, while the deceased is suspended from the fan with cargo straps, put a bunch of ice packs at his feet..." "In this way, at first, the deceased could step on the ice to stay alive, but after the ice melted, the ice pack became soft and the deceased had no place to stand, so he was naturally strangled to death." Su Chen just finished speaking. With a wave of his hand, Zhao Sihai, who was tied up, was immediately put into the position he had assumed. Next, comes the experimental part. The ice was gradually melting, and Zhao Sihai's toes were almost broken before he could barely find a foothold. But this is temporary, because the ice is constantly melting, and soon he will be completely suspended in the air. but······ "Wait, return to normal." When Su Chen spoke, the scene was immediately interrupted, and everything returned to the moment when Zhao Sihai was tied up. "There seems to be some problem with my inference." Su Chen muttered:
"If Zhao Sihai was standing on this device, then it stands to reason that his calf would have been extremely tight." "In other words, he will have a lot of lactic acid accumulation in the gastrocnemius muscle of his calf, and the calcium ion concentration will be higher." However, the materials provided by expert Qin Ming showed that the areas with high calcium ion concentration on Zhao Sihai's body are mainly concentrated in the shoulders and arms. The ones on the calves are relatively low. "One more thing, I noticed that Zhao Sihai at the murder scene was suspended very high from the ground." "This means that if the murderer wanted to use ice packs as a foothold, he would need a large number of ice packs, weighing dozens of kilograms." "I think so many ice bags are difficult to transport and collect." "And if there is too much ice, it will be difficult to melt it within the scheduled time." "What's more, this method has another biggest flaw in my opinion." "That is, it cannot prevent Zhao Sihai from kicking the ice pack apart during the chaos and dying prematurely, thus causing the device to fail." "A good device should be able to prevent him from saving himself and preventing him from dying prematurely." Su Chen quickly rejected the previous plan in his mind. "Think about it again." He paced in the room, checking and recalling every detail of the information sent by the police in his mind. Suddenly, Su Chen's footsteps paused. He stopped in front of the window. He noticed that the gap between the radiators under the window was large... At this moment. A vague memory flew through Su Chen's mind. His eyes lit up and he caught it sharply. "Strange, why did I suddenly think of this?" It was a way to tie a knot. When Su Chen was still a young criminal policeman, he loved to watch a wilderness survival program called Wilderness Survival in his spare time in the police academy. The protagonist in it - the master of food chain taster, protein collector, insect crusher, Bear Grylls, once introduced a wonderful knot tying method. In the wild, strong and durable ropes are a very precious resource. But when explorers use ropes to descend vertically from cliffs, it is difficult to retrieve the ropes tied on the cliffs. So, the "recycling knot" was born.
The tying method of this knot is more complicated. After tying, when a person is hanging on the rope and the knot is tight, the knot is very tight. But once the explorer lands and the rope is loose, the knot will loosen. At this time, gently pull the rope to recycle it. "Hiss." "Although I don't know why I suddenly thought of this, it is a feasible way..." Su Chen said softly. Then, he waved his hand to let the surrounding scene continue to flow. The man wearing a black hood took out another rope, passed it through Zhao Sihai's armpit, and tied a "recovery knot". Then, he held the other end of the rope and hung Zhao Sihai up. At this time, because the rope was tied around his chest and under his armpit, Zhao Sihai did not die, but stared at the other party with a puzzled look. The hooded man did not stop his movements. He passed the other end of the knot through the gap of the radiator and tied an ice bag at the end. In this way, the ice bag was attached to the radiator and stuck in the gap, keeping Zhao Sihai in a suspended state. This "delay device" was completed. Finally, the murderer tied the rope wrapped around Zhao Sihai's neck to the ceiling fan. The whole device was completed. I don't know how it works... Su Chen let out a long sigh: "Start the experiment now."