"Murder isn't like long-distance running or riding a bike. There's no such thing as conserving energy. Unless the murderer is an experienced professional assassin who has killed countless people and is able to control his strength perfectly, as well as be mentally prepared for the target's various reactions … Otherwise, the murderer will definitely go all out and use all his strength to tighten his grip on the target until the victim completely loses resistance. " Feng Bujue explained, "Then, the murderer's palm will definitely have some cuts or contusions." He gestured with his own hand. "The location of the injury should be around the edge of the palm, below the base of the little finger. Even if the steel wire was wrapped around the hand a few times in advance to increase the surface area of the palm, most of the force would still be absorbed by this part of the hand during the actual murder. "
"Then doesn't that mean the case is solved?!" Scofield said excitedly. "Forget about the secret chamber, Demudi. Hurry up and gather everyone in this villa and check their hands …"
"Don't rush, detective." Feng Bujue interrupted him weakly. "Don't forget the premise I mentioned … If protective measures aren't taken." He shrugged. "As long as the murderer wears a pair of slightly thicker gloves, this problem can be solved. Also, if the gloves are long enough, the probability of the victim's hand and forearm being scratched will be greatly reduced. "
This basin of cold water instantly extinguished the excitement in Scofield and Demudi's eyes.
"But you're right." Feng Bujue said, "We still have to check, but we have to be clear that even if there are no injuries on the hands, it doesn't necessarily mean that someone isn't the murderer." He added, "Also, as you can see, the victim lost a lot of blood, and his own hands were stained with a lot of blood. If the murderer wasn't wearing gloves, it's very likely that his or her hands were stained with blood, and he or she would have left bloody fingerprints everywhere when they escaped. Of course, although I don't think that's very likely, we can't rule out the possibility that the murderer washed his or her hands in the bathroom before escaping. "
Scofield nodded and said, "Well … Then, in addition to the murder weapon, what we have to look out for now is a pair of bloody gloves."
"It's impossible to find them." Feng Bujue gave them another piece of bad news.
"Huh? What did you say? "Scofield asked.
Feng Bujue replied directly, "After the murderer killed the people and set up the room as a secret room, the location was outside the window … that is, outside the villa. He or she only needs to walk a short distance and throw the weapon and gloves into the valley … Who would be able to find them? "
"Uh …" Scofield didn't dare to continue the conversation. As long as the detective in front of him opened his mouth, he would be able to point out a clue, but in less than two sentences, the clue would be cut off.
Feng Bujue had already turned around and walked towards the door. "When I was investigating the crime scene, I checked it very carefully. Other than the area around the body, the only blood stain I could find was the very faint bloodstain on the windowsill. So … My speculation is as follows … "At this point, he was already at the door of the room. He locked the door and continued," After the murderer killed the victim, he first wiped the murder weapon and wiped the blood off the thread as much as possible. Then, he put it aside for later use. Then, he took off her gloves, turned them inside out, and crumpled them into a ball. He put them aside for the time being. Then, the murderer came over and locked the door. Of course, I think there's a 70% chance that when the murderer killed the victim, the door was already locked. "
Brother Jue turned around and walked towards the window. "After making sure that the door was locked from the inside, the murderer took the gloves and tied the steel thread to the window."
Suddenly, Feng Bujue stopped in front of the window and looked troubled. "Uh … Officers, which one of you knows how to tie a slipknot?"
His weakness of not being good at knitting was exposed again … Although it didn't matter.
"Um … What kind of slipknot do you want to tie?" Demudi walked over and asked.
"What … There are actually many kinds of knots …" Feng Bujue's expression was unprecedentedly blank, because the conversation had entered a blind spot for him.
"Yes." Demudi pushed his police cap away and scratched his hair. "I have an uncle who is a sailor. When I was young, he taught me quite a lot of knots, such as the double knot, fisherman's knot, shrink knot, joint knot, figure-eight knot …"
At that moment, Brother Jue looked at him as if to say, "So, you are the legendary colonel who has already broken through the art of tying shoelaces."
"Anyway …" Feng Bujue changed the topic. "Listen to me, and you should know what the knot is."
The window of this guest room was a traditional flat window. In the middle of the left and right window leaves, there was a rake shaped window latch. Feng Bujue pointed at the handle of one of the window latches. "The murderer tied one end of the steel thread to this handle. Then, he or she went outside the room, closed the window on the other side, and inserted the window latch. Next, let the latch of this window remain horizontal and slowly close it from the outside. "
"Oh! I understand now. " When Demudi heard this, he already knew what Feng Bujue meant. He took the string from Brother Jue's hand and tied it to the window latch handle quickly. Then, he quickly went outside the window, held the other end of the steel thread in one hand, and slowly closed the window with the other. Then, he pulled the steel thread out from the window slit.
"Yes, that's it …" Feng Bujue said to Scofield, who was next to him. "Look, the position of the thread must be stuck in the lower edge of the window. That way, when the murderer pulled the thread, the window latch would turn down until it was properly inserted."
Scofield understood. "When the window latch is inserted, it will be in a vertical position. If the murderer continued to pull, the loop of the steel thread will fall off from the end of the latch handle. At that time, the knot will fall apart, and the murderer will only need to pull the thread out. " He pointed to the edge of the window. "During this process, due to friction, the thread will leave a bloodstain on the edge of the window."
"Yes, even though to prevent this plan from being exposed, the killer has already wiped away the blood stains on the murder weapon, but to not leave a trace behind is still difficult," Feng Bujue said. "Normally, after killing someone, they would try to escape from the scene as soon as possible." As Brother Jue spoke, he opened the window, pulled Demudi, and helped him climb back into the room. "Although the murderer in this case had a plan in advance, when it came to actually carrying it out, his mentality wouldn't be too different from that of a normal person."
Feng Bujue moved away from the window and paced around the room. "If he or she had prepared another steel wire to set up the trap, or if he or she had used the water in the bathroom to carefully clean the weapon after the murder … then perhaps it will be more difficult for us to solve this hidden room."
"Usually, no one would go to this extent …" Scofield said.
"Haha …" Feng Bujue laughed. This laugh was meaningful, and it made the two police officers' hair stand on end.
"Okay, the basic method of the murder is clear." Brother Jue stretched lazily and winked at the door. "Now … let us go and have a chat with the suspects of this case."
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