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"Killing people is not a long-distance run or a bicycle, and there is no such thing as a zài reservation. Unless the killer is a murderous and experienced professional assassin who can grasp the proportions of his attack and is fully mentally prepared for the various reactions of the target...... Otherwise, the perpetrator will definitely go all out and use the greatest force to tighten the target until the victim is completely out of resistance. Feng Bujue explained, "Then, the murderer's palm is bound to leave some cuts or contusions." He gestured with his hand, "The location of the injury should be roughly at the edge of the palm, below the base of the little finger." Even if the steel wire is wound around the hand several times in advance to increase the force area of the palm, most of the force will still be borne by this part when the actual crime is committed. ”

"Then isn't this case equivalent to being solved!" Schofield said excitedly, "Don't worry about the secret room, Temple, you go and gather all the people in this villa and check their hands......"

"Don't worry, detective." Feng Bujue interrupted the other party in a weak tone, "Don't forget the premise I said...... 'If you don't take protective measures'." He shrugged, "As long as the killer wears a slightly thicker pair of gloves, this will solve the problem." Moreover, if the gloves are long enough, the probability of their hands and forearms being scratched by the deceased will also be greatly reduced. ”

This basin of cold water immediately extinguished the uplifting light in the eyes of Schofield and Temple.

"But you're right." Feng Bujue said, "The inspection work still needs to be done, but we have to know that even if there are no injuries on the hands, it may not be able to prove that someone is not the murderer." He added, "In addition, as you have seen, the deceased shed a lot of blood, and he also had a lot on his own hands. If the killer is not wearing gloves, there is likely to be a lot of blood on his or her hands, and he/she will leave bloody fingerprints everywhere when he or she escapes. Of course...... Although I don't think it's very likely...... But it cannot be ruled out that the murderer went to the bathroom to wash his hands before fleeing. ”

Schofield nodded, "Hmm...... Then, in addition to the murder weapon, what you should pay attention to now is a pair of blood-stained gloves. ”

"It's impossible to find." Feng unconsciously said another piece of bad news.

"Huh? What do you say? Schofield wondered.

Feng Bujue replied directly: "After the murderer finished killing people and arranged the room into a secret room, the location was outside the window...... That is, the outside of the villa. He/she only needs to walk a little distance and throw the murder weapon and gloves into the valley...... Who can find it? ”

"Uh......" Schofield didn't dare to answer anymore. As long as the detective in front of him opened his mouth, he could point out a certain clue, but before he could say two words, he cut off the clue again.

Feng Bujue had turned around and walked in the direction of the door at this time, "When I investigated the crime scene before, I checked it very carefully...... Aside from the area around the corpse, the only blood stain that could be found was the faint blood stain on the window edge. Therefore...... My guess is as follows......" At this point, he had already arrived at the door of the room, locked the door of the guest room, and continued, "After the murderer finished killing someone, he first wiped the murder weapon, wiped the blood on the line as much as possible, and set it aside for later use. Then, he/she takes off his or her gloves, turns them inside out and crumples them into a ball, and sets them aside as well. Then, the killer came over and locked the door. Of course, I think there's a 70% chance that when the killer kills, the door is already locked. ”

"After making sure that the door was locked from the inside, the murderer took his gloves and went to the window and tied the steel wire to the window. ”

Suddenly, Feng Bujue stood in front of the window, his face embarrassed, "Uh...... Two officers, which of you is going to tie a slipknot? ”

The weakness of this bad knitting was once again exposed...... It doesn't matter though.

"Hmm...... What kind of slipknot do you need? Templedie walked over and asked.

"What...... There are so many ways to do it......" Feng Bujue's expression was unprecedentedly blank, because the conversation entered a realm that seemed like a blind spot to him......

"That's right." Dempdie scratched his hair with his police hat on his hand, "I have an uncle who is a sailor, and when I was a child, he taught me quite a few kinds of things, such as double baro, fisherman's knot, shrinking knot, knot, figure eight knot, ......."

At this moment, Brother Jue looked at the other party's eyes, as if to say, "It turns out that you are the legendary super high-level knotter who has broken through the technique of tying shoes."

"Anyway......" Feng Bujue simply changed the topic, "If you listen to me, you should know what the knot is." ”

The window of this guest room is a traditional casement window, and there is a rake-shaped latch at the middle end of the left and right window leaves, and Feng Buyi pointed to the handle of one of the window latches, "The murderer tied one end of the steel wire to this handle." Then he/she went out of the room, closed the window on the other side, and latched it. Next, keep the latch of the window horizontally and slowly close it from the outside. ”

"Oh! I understand. When Templedi heard this, he already knew what Feng Bujue meant, he took the strings from Brother Jue's hand, tied them to the handle of the window latch with three strokes and five divisions, and then quickly flipped out of the window, holding the other end of the steel wire in one hand, and slowly closed the window with the other. Then he pulled the wire out of the crack in the window.

"Yes, that's ......," Feng Bujue said to Schofield beside him, "You see, the position of the line must be stuck in the gap between the lower edge of the window, so that when the murderer pulls the line, the latch will turn down until it is inserted." ”

Schofield also understood when he saw this, "When the latch is inserted, it is in an upright state, and if you continue to pull, the knot loop of the steel wire will fall off the end of the latch." At this point, the slipknot will fall apart, so in the end, just pull the thread out. He pointed to the edge of the window, "In the process, the thread left blood marks on the edge of the window due to friction." ”

"Yes, although the murderer has wiped the blood stains on the murder weapon in order to avoid the revelation of this design, it is still very difficult to leave no traces." Feng Bujue continued, "Ordinary people will try their best to flee the scene after killing someone. Brother Jue said as he opened the window, pulled Dempdie by the hand, and helped him climb back into the house, "Although the murderer in this case has a plan in advance, when it comes to implementation, his mentality will not be much different from ordinary people." ”

Feng Bujue left the window, paced around the room and said, "If he/she prepared another steel wire in advance for the layout, or went to the bathroom to carefully clean the murder weapon with water after the murder...... Then it may be even more difficult for us to crack this secret room. ”

"Usually no one does that......" Schofield continued.

"Hehe......" Feng Bujue smiled, this laughter was meaningful, and made the two police officers creepy.

"Well, the basic modus operandi of murder is clear." Brother Jue stretched and glanced at the door, "Next...... Let's talk to the suspects in this case. (To be continued)