If the murderer dares to lead the horse to the bottom of the sea cliff, then there will be two lines of footprints left on the beach - the horse's past footprints and his own return footprints. However, the murderer may have thought that if these two sets of footprints were some distance away from Pingtie, it wouldn't matter. The officer thought it might be of value to return to the flat iron and examine the beach from this point.
He did just that, riding his bicycle on the flat iron, climbing down along the route Zhiqiu had used, and then walked under the sea cliff in the direction of the checkpoint. After half an hour of searching, he found what he was looking for. Somewhere in the sea cliff there was an indentation where a piece of stone had been dug out. There was a large wooden post stuck in the crack of the stone, which seemed to be part of a fence - upright, no doubt to prevent people or animals from wandering in the dangerous sea cliff area. If the horse had been brought here, it could easily have been tied to a stake, and with the sea cliffs overhead and the piles of fallen rocks surrounding it, it would have been almost impossible for anyone to see it, either from the sea. Or the road above the reef.
This discovery is exciting, and it would be even more exciting if the police officers could find any evidence that this theory is true. The sand was so soft and dry that there were no discernible imprints above the high water mark, and although he carefully examined the post with a magnifying glass, he could find no sign that a horse had been hitched there. At such times, a strand of fiber from a rope or a piece of horse hair would delight a police officer more than a bank check, and a pile of horse dung would be as valuable as a pile of diamonds. But his anxious search did not yield any evidence, even the simplest and most ordinary. There are logs on the reef, there are recesses, that's all.
He shook his head, walked to the edge of the water, and trotted all the way to the flat iron. He discovered that a strong, well-armed young policeman could reach the flat iron in as little as twelve minutes on a hot summer day, which was too far. According to Xia Xiang's calculations, Jiang Tiansheng could only take five minutes at most to walk. The officer climbed up the sea cliff again, got back on his bicycle, and began to think about it in his head.
By the time we returned to the police station, the idea had already taken a rough shape.
"Director, this is how I see it," he said to the director, "We have always believed that Ye Fan was providing an alibi for Jiang Tiansheng. Suppose it was another situation, and it was Jiang Tiansheng who was providing an alibi for Ye Fan. ?What do we know about Ye Fan? We just know that he is a university teacher. No one seems to have been in contact with him since last May. He said that he slept in the village the night before the crime and did not wake up until one o'clock in the afternoon. Starting his day. Was it a little too late? The only evidence he gave was that he bought something from an employee at a pharmacy - he couldn't remember what time it was or where it was. What time was it? On the other hand, we know that Jiang Tiansheng was in the village that morning, and we cannot confirm what he did "while listening to the concert". Assuming that the two of them met and made some arrangements, Then Ye Fan came to the checkpoint and took the horse away."
"We have to go and check if anyone saw him passing through the village."
"Yes, of course we're going to check. Let's say he gets there around one-fifteen. That gives him enough time to deal with the horse, tie it to the post, walk to the rocks, and take the man Kill."
"Wait a minute," the director said, "is that place a fifteen-minute walk from Pingtie?"
"It's fifteen minutes of jogging, Director."
"But it's running on wet sand. Can we judge that the distance is more than a kilometer? Okay, so the horse still has three and a half kilometers to run. If it runs eight kilometers an hour, then it will be - eight kilometers Sixty minutes, one kilometer is sixty divided by eight¡ª" The director always needs to list the division formula in the corner of the paper when calculating divisions; this is a big stumbling block on his way to promotion, "Thirty times seven divided by eight ¡ªOh my God! Divide by two¡ªmultiply by¡ªdivide¡ª"
The police officer has a talent. As soon as the division numbers enter his mind, he can immediately calculate the answer, but he still waits politely.
¡°I calculated it and it was twenty-six minutes,¡± the sergeant said.
"That's right, Director."
¡°Let¡¯s assume it takes him four minutes to tie up the horse; then he should start from the checkpoint at 1:15.¡±
"Yes, Director."
"Then when did he go back to lead the horse, and how did he lead it?"
"He didn't, Chief. If I had to guess, he didn't do that."
"What would that be like?"
"Well, Director, I think that's the case. The mistake we make all the time is to assume that the whole thing was done by one person. Suppose??This Ye Fan killed someone at two o'clock, and then hid under the flat iron as we had speculated before. We know that he cannot leave before half past two, because Zhiqiu did not leave Pingtie until half past two. So after he walked away at half past two, he also left and started walking back. "
"Why did he go back? Why not forward? Oh, by the way - he had to make his time consistent with Jiang Tiansheng's alibi."
"That's right. If he walks directly back to the house of Lao Bai's family, which is two kilometers away from Pingtie, assuming his speed is three kilometers an hour, then he will arrive there at 3:10, but some people say She only saw him between 3:30 and 4 o'clock, and in my opinion there is no need for her to lie about this."
"She may also be in the same group. We have suspected Lao Bai."
"Yes, Director. But if she wanted to lie, she would lie in another way. The time she lied about could not be later than the time he came from Flat Iron. No, Director, I believe it. Ye Fan must have stopped on the road for some reason. I would like to know what it was. The doctor said that the guy who cut someone's throat might not have any blood on him. This makes sense, but it doesn't mean that he stopped on the road for some reason. It doesn't mean that he is definitely not stained with blood. I think that Ye Fan needs to stop and change clothes. It is entirely possible that he brought an extra set of shirts and shorts in the box. It is also possible that he washed the clothes he just wore Wash. Suppose he did just that, and then arrived at Lao Bai's house at about three forty-five. He walked up the path, and she saw him there, and then he walked about half a kilometer more, and at four o'clock When I met Zhiqiu - that's how it should be."
¡°Hmm!¡± The director repeatedly considered this idea in his mind. There are parts of this speculation that are attractive, but there is still much to consider.
"But what about the horse?"
"Well, Director, as far as we know, there is only one person who can take the horse back, and that is Jiang Tiansheng. And he only has a period of time to do it, and that is Si Jian and Zhi Qiu, who were saying goodbye to him at the checkpoint. Between five and twenty before meeting him. Let's see how this is arranged, Chief. The place where the horse was dropped is three and a half kilometers away from Old Joe's Trail; he can start at four o'clock and be there in an hour. , rode back quickly, and returned to the camp at 5:20, just in time to catch up with Zhiqiu and the others. Director, this is consistent, isn't it? "
"It's a good match. You're right, but I don't think it's a flawless match. Why do you think Ye Fan went back with Zhiqiu instead of going in another direction?"
"Perhaps he wanted to see what Zhiqiu was going to do, Director, or to pretend to be innocent. I guess he must have been surprised to see Zhiqiu there. He didn't know what he was going to do. When Zhiqiu talked to him , if he behaves very calmly, it may make people suspicious, so he may feel that going back with Zhiqiu is the boldest and best choice. Or he feels very anxious and wants to see if Jiang Tiansheng has taken the horse by himself. Take it back. When the two of them met, he didn't speak to Jiang Tiansheng, showing that they had no relationship at all. At least he left without saying goodbye. If you think about it, it's natural. There might be blood-stained pants or something in the backpack.¡±
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