"It's not really difficult," Holmes said. "To be honest, I thought grigsen had a rare case, at least one that happened on Ellen island in 1832. But I went to the scene and found that it was no big deal. Let's talk about John's textile mill first."
Holmes paused. "Remember what we talked about in the afternoon?"
"You're talking about professional adversary influence?"
"Yes, I have been doing this research recently. I have found many people from all walks of life in London, including masons, fishermen, cooks, typists and so on I go out at dawn every morning and stay in the slum until the sun sets. I spend a lot of time studying their hand shapes, comparing them with each other and with other people in the same industry. The results are remarkable. I'm going to organize it into a paper, "said Holmes." just now, by the river, I focused on checking the child's palm, comparing her palm with mine In contrast to the research results, although her body has been soaked in the water for quite a while, there is no doubt that she works in a textile factory, so your previous observation is no problem, because long-term work makes her weak, and she may still be sick at the time of the incident. "
"But there are many mills in London. Why can you be sure which John Mill she is in?"
"Good question," Holmes said. "I tend to think that the place where the corpse was dumped is very close to the place where the corpse was found. This is also a good explanation. The time when the corpse was found was in the daytime. Although there was a little fog on the river, the visibility was OK. Besides, there were cruise ships or cargo ships passing by from time to time. If there were corpses on the river, it would be difficult to float too far without being sent out "Now."
"Wait, but you said her body had been in the water for quite some time."
"Yes," Holmes said with a sly smile, "but please pay attention to my words. I mean her body has been in the water for quite a while, not floating for quite a while."
"What's the difference between the two?"
"Of course, judging from the state of the corpse, the time of the victim's death should be last night. The assailant killed her by mistake. Afterwards, the whole person was very flustered. He threw the corpse into the river and should have tied stones. In this way, no one would find it. People would only think that the child was missing. There are people who can't get along in this city every day, especially those who can't get along As for the lower class like her, there are not many people who care where she has gone. The attitude of the police towards disappearance and murder is totally different. "
"Then why was her body found by the police again?"
"There are many possibilities. Maybe the murderer was too nervous and didn't fasten the rope. Maybe something happened and broke the rope..." Holmes said, "I'm not guessing. In addition to the time I said, I did find traces tied by ropes on the wrist of the victim. In this way, things can be explained. Her body soaked in the water for a long time, but it didn't take long to get out of the trap and float to the place where it was found."
"John textile factory is the nearest textile factory in the upstream, which is also the first place I suspected. In addition, I found some blue crystals in her hair, which are copper sulfate pentahydrate formed after copper sulfate meets water. Coincidentally, next to John textile factory is a chemical factory, which is the most important basis for my final inference." Said Holmes.
"Seeing everything is better than hearing everything. This has raised criminal investigation to the level of precision and science." Zhang Heng also expressed his sincere admiration.
Holmes said nothing when he heard the praise, but the expression on his face seemed to be very useful. He continued, "as for the inference about the assailant, it's nothing to put it bluntly."
"I'd like to hear about it."
"We all know that the assailant wanted to take advantage of the victim, but she was fiercely resisted by the child. She was very brave and had been fighting with each other. However, the gap between the two sides in strength was too obvious, so she didn't escape in the end. However, the guy didn't feel comfortable for a long time, so he was scratched by the victim, although the body was soaked in water for a long time For a long time, but there is still a part of skin tissue in the nail seam, which is probably the reason why he became angry. In a rage, he started to strangle her
"Wait You said your child was strangled? "
"That's right." Holmes was sure.
"But hasn't she been hit on the head?" Zhang Heng asked.
"As I said, there was a fight between them. Judging from the wound marks, I tend to think that her head hit the table, but it was not fatal. What really killed her was suffocation. It was not suffocation in the water, but being strangled by someone. There was bruise on her neck, but it was not obvious after soaking in water. It's not easy for ordinary people to find it, as for me It was normal for them to know each other. At that time, it was already dark. It was almost impossible for men and women who did not know each other to share a room. "
"How can you infer that he is almost six feet tall?" Zhang Heng asked.
"Well, it takes a little bit of skill," Holmes said. "I simulated their Well, the position, the woman in the bottom, the man in the top, and then compared with the bruise on the neck, you can determine the direction and angle of the palm, and then calculate the approximate height of the culprit and I are about the sameSherlock Holmes talked and finally sorted out all the previous inferences before serving.
Many things in this world are just like this. At the beginning, when I heard the conclusion, I felt very magical. But once I knew the inference process, it seemed that it was not so mysterious, just like the magic of a magician.
"Positive reasoning is very easy. For example, when you see bread, you know that it's breakfast, but vice versa. This is also the ability that detectives need to exercise. If you want to learn, you can start with guessing a person's occupation, such as the table behind you, by guessing a person's sleeve, shoes, index finger and thumb cocoon, nail cap, shirt, expression and so on I can tell from my observation that he has just returned from Afghanistan and is a military doctor. "
Zhang Heng smelled that Yan's face showed a strange look for the first time tonight. He thought it would not be such a coincidence.
Holmes thought Zhang Heng didn't believe it, and said, "we can make a bet to see who can accurately say more about him. Don't worry, I've never seen him before."
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