Ho Ka-fai took the deceased's shoes and returned to the Forensic Science Division again.

When Gao An saw He Jiahui, he was slightly stunned, and then asked with a smile, "Why are you back again?" Don't you want to regret my sister's affairs! ”

"I'll show you something." He Jiahui directly handed the shoes to Gao An, and said at the same time; "These are the shoes of the deceased in the fall case."

Gao An took the shoes and looked at them carefully, he soon saw the oil stains on the shoes, so he said, "This thing looks like some kind of oil stains, right?" ”

In the next second, Gao An also realized the problem: "I remember that the balcony where the deceased jumped off the building was very clean, if there were oil stains on the soles of the deceased's feet before jumping off the building, then the balcony could not be so clean!" Could it be that the deceased did not jump from the balcony of his house? ”

"So hurry up and help me check what the oil stains on the soles of the deceased's shoes are." He Jiahui said.

Gao An immediately took his shoes to the test, while He Jiahui waited directly in place. After waiting for more than half an hour, Gao An took the test report and found it.

"We have examined the composition of the oil stains on the soles of the deceased's shoes, and the main ingredient in them is edible oil, in addition to amino acids, sugars, organic acids, proteins, vitamins, etc." Gao An said.

He Jiahui thought for a while and said: "Judging from these ingredients, what the soles of the deceased's shoes are stained with should be the vegetable soup produced during stir-frying, right?" ”

"Yes, it's vegetable soup." Gao An nodded, and then said: "The deceased should have accidentally stepped on the vegetable soup before his death, but our forensic evidence did not find any residue of vegetable soup on the ground of the deceased's residence, including in the kitchen. ”

"I remember in your forensic report, you calculated the path of the fall, right? Didn't you find the problem of the starting point at that time? He Jiahui immediately asked.

"The starting point we calculated was in line with the location of the deceased and the height of the floor. However, there will definitely be errors in the calculation of the starting point. ”

Gao An paused, and then said: "After all, people are not dead objects, people will exert force and make movements, when jumping off the building, whether to use force or not, the direction of force, and even the movements and posture of the deceased in the air will affect the final fall location.

This is also the reason why there will be a certain error in our calculations. In general, the higher the floor and the longer the path of the fall, the greater the error.

In order to ensure a certain degree of privacy, the balconies of the two adjacent households are also designed with a certain spacing.

According to the location of the deceased's landing, as well as the direction of his body when he landed, he did not fall from the balcony of a neighbor's house. If you fall from the balcony of your neighbor's house, you won't be able to land in that spot. ”

"What height? Could it be that it fell from the same location and on different floors? He Jiahui immediately asked.

Gao An thought for a moment and replied, "This possibility cannot be ruled out. In this falling case, we calculated that the starting point of the fall was between 45 meters and 48 meters, and the error was plus or minus three meters.

The floor height of the deceased's residence was 3.85 meters, while the height of the twelfth floor where the deceased lived was between 42.35 meters and 46.2 meters, which was in line with the error of plus or minus three meters. That's why we think that there is no problem with the starting point. ”

He Jiahui immediately produced his mobile phone and calculated, and said; "According to what you said, the starting point is between 45 and 48 meters, and the error of three meters is between 42 and 51 meters.

The highest point on the eleventh floor is 42.35 meters, but it is impossible for the deceased to stand on the ceiling and jump down, so the eleventh floor can be directly excluded. The twelfth floor is the floor where the deceased is located, which is what we consider to be the fall point.

The height of the 13th floor is between 46.2 and 50.05 meters, while the height of the 14th floor is between 50.05 and 53.9 meters, and these two floors also fit the range of 42 to 51 meters.

In other words, the real place where the deceased fell is very likely to be a unit in the same location on the thirteenth and fourteenth floors! Looks like we're going to have to go to the site again! ”

……

The serious crime team once again came to the community where the crime occurred, and the security guard took them directly to the fourteenth floor by elevator.

"Mr. Qian on the 14th floor D is a financial worker, he works in a fund company, and he is usually very busy at work, and he is almost not at home during the day. However, Mrs. Qian should be at home, Mrs. Qian is an illustrator and usually works from home.

They have a kindergarten child, a boy, and they also hire a Filipino maid. The security guard opened his mouth to say that he obviously knew more about the owner's information.

knocked on the door, and it was the Filipino maid who opened the door, and He Jiahui immediately revealed his identity: "We are the police officers of the Regional Major Crime Unit." ”

The Filipino maid could not speak Cantonese, so she called Mrs. Qian to come out to receive them.

Mrs. Qian is a very petite woman, and in the face of a bunch of policemen, she asked weakly: "A few sirs, who are you looking for?" ”

"Mrs. Money, don't be nervous. The day before yesterday, there was a falling case in your community, I think you should have heard about it, right? The person who fell from the building lives on the twelfth floor, and the location is the same as you have here, which is also Block D.

So we want to go to your balcony, take measurements, collect information about your building, so as to solve the case, and ask Mrs. Qian to cooperate. He Jiahui said.

He Jiahui did not directly state, suspecting that the deceased jumped from this floor. He is also worried that it will arouse the vigilance of the homeowner and do things such as destroying evidence.

Mrs. Qian didn't doubt it, she nodded: "Those sirs, please come in." ”

"Let's put on shoe covers so we don't get dirty on the ground." He Jiahui said, putting on shoe covers.

His real intention was not to worry about soiling the ground, but to avoid destroying the traces.

Coming to the balcony, He Jiahui looked at the surrounding environment, different from the tidiness of the twelfth floor, there were a lot of things piled up on the balcony of this household. There were children's toys, three boxes of miscellaneous items, and a few pots of flowers and plants.

"Mrs. Qian, you also like to grow flowers! This pot is really good. He Jiahui said, deliberately moved one of the flower pots, and looked at the bottom of the flower pots.

On the ground under the pots, there is a circle of dirt marks, which is formed by the water mixed with the soil flowing out after watering the flowers.

"It seems that these flowers and plants were not just arranged." He Jiahui said secretly in his heart.

Gao An searched for evidence on the balcony, and then shook his head at He Jiahui, saying that he had not found it.

"Mrs. Qian, we have completed the measurement, thank you for your cooperation, we will not bother." He Jiahui opened his mouth to leave.

Walking out of the door and coming to the elevator, Gao An opened his mouth to report: "Although the balcony on the fourteenth floor is a little messy, I didn't find any footprints with oil stains. ”

"There are usually two women at home in this household, and the Mrs. Qian is small, and the Filipino maid can't count on it, and it is unlikely that she will push the deceased off the balcony." He Jiahui said and looked at the security guard, and asked, "Let's go to the thirteenth floor D to have a look!" Who lives on the thirteenth floor? ”

"Room D on the thirteenth floor is not the owner, but a tenant." The security guard replied.

"Isn't the rent here cheap? Those who can rent a house in this community must at least be white-collar workers. He Jiahui said.

The security guard continued; "Sir, this tenant on the thirteenth floor should not be at home now. Probably won't be back for a long time. ”

"How do you know?" He Jiahui asked.

"Yesterday, the tenant on the thirteenth floor called a moving company and moved all the things inside, and I saw that even the bed was dismantled and loaded, and I should not come back to live in the short term." The security guard replied.

"Moving? Someone died the day before yesterday and moved yesterday? He Jiahui frowned.

"The tenant on the thirteenth floor said that the building was unlucky because there were dead people, so they had to move out quickly." The security guard replied.

"Then you don't have to be in such a hurry, right? Even the bed has been moved, then it must have found a new place to live, or there would be no need to move the bed. But can you find a suitable place to live in one day? ”

Thinking of this, He Jiahui ordered: "Leave in such a hurry, there is a problem with this thirteenth floor D!" Call the lockpicking expert to unlock the lock! ”

Taking advantage of the gap between calling the lockpicking expert, He Jiahui continued to ask the security guard: "What kind of person is the tenant on the 13th floor D?" ”

The security guard replied; "The tenant on the thirteenth floor D is a young couple, the man's surname is Zhang, the woman's surname is Sun, the two of them are just living together, and they are not married yet."

"You don't even know if you're married?" He Jiahui asked with a smile.

"That's right, once I met that woman, I called her Mrs. Zhang, and she told me that they were not married yet." The security guard paused, then added, "But I don't think the two of them can get married." ”

"How do you see that?" Ho Ka Fai then asked.

"The relationship between them is not very good, when the two of them walk together, they are still separated by a long distance, and they don't feel like a couple at all, but like strangers." The security guard continued.

"What does this tenant do, do you know?" He Jiahui asked again.

Mr. Zhang said that he was a programmer, and he looked like a programmer, wearing glasses, weak and not good at talking. As for Ms. Sun, I didn't ask her what she does, but she's pretty good at dressing up. The security guard spoke.

"Pretty good at dressing up? What does it mean? A brand? He Jiahui asked with interest.

"She wears heavy makeup all day long, and she dresses differently every day, and sometimes the outfit is like a different face, and if she doesn't wear makeup, I definitely won't recognize her." The security guard replied.

While the two were talking, the lockpicking expert had arrived.

The locksmith opened the door to the thirteenth floor D, and it was empty, and all the furniture had been emptied.

Gao An went straight to the balcony and began to collect traces.

"He sir, I found that there are shoe prints on the guardrail of the balcony!" Gao An said.

He Jiahui walked over to take a look and said, "This shows that someone stepped on the guardrail, and it is likely that the deceased was left behind when he jumped off the building." Take it back and compare it with the deceased's shoes, and you should be able to confirm it. ”

Then, He Jiahui walked to the restaurant again, looked at the ground carefully, and called Gao An.

"Sir Gao, look here, does it look like a dried vegetable soup?" He Jiahui pointed to a puddle of marks on the ground and said.

"I immediately took evidence and compared it with the oil stains on the soles of the deceased's shoes." Gao An nodded.

He Jiahui looked around and spoke; "There are shoe prints and oil stains, and the deceased should have jumped from the balcony on this floor."

At this time, Ma Jun, who had not spoken, opened his mouth and asked: "The deceased does not live here, if he wants to jump off the building, he can jump in his own home, why should he run to someone else's house and jump off the building?" Could it be that he was thrown down? ”

"If someone throws it down, there should be traces of struggle or struggle on the body, but the forensic report does not mention this." He Jiahui said, looked around, and frowned violently.

"Ma sir, do you think that the decoration style here is very similar to the decoration style of the deceased's house on the twelfth floor? I remember that the deceased's house was also decorated like this, right? He Jiahui asked.

"The decoration is very similar, but this is normal, now many developers are selling finely decorated houses, and the owners don't need to decorate after buying. Not to mention the two adjacent floors, it is a whole building, and the decoration is the same. Ma Jun replied.

He Jiahui pointed to the ceiling lamp on the ceiling again: "But even the ceiling lamp is the same!" ”

"Well, the lamps, sinks, and even toilets used are all the same." Ma Jun replied.

"No, I was at Mrs. Qian's house on the fourteenth floor just now, and I saw the ceiling lamp in their living room, which is different from here." He Jiahui thought about it carefully, and then said; "And the decoration style of their house is also different from here."

Ma Jun recalled and spoke; "As soon as you reminded me like this, I also remembered that the decoration of their home is indeed different from here. Did the ceiling lamp change on the fourteenth floor? ”

"I have a bold guess right now." He Jiahui took a deep breath, and then ordered: "Go and check, which moving company came here yesterday!" ”

……

The management of this kind of high-end community is relatively strict, and the moving company is registered in and out, and the police quickly found the moving company yesterday.

He Jiahui and Ma Jun came to the moving company and found several masters who went to move yesterday.

I saw He Jiahui take out a few photos, hand them to the moving master, and said at the same time; "A few masters, please confirm whether you went to this unit yesterday and moved home."

One of the movers took the photo, only glanced at it, and nodded: "Yes, this is it!" ”

"Master, please take a closer look." He Jiahui said.

The moving master looked at it carefully, and still nodded with certainty: "That's right, it's this one, I remember it's the thirteenth floor D!" This sofa, as well as this coffee table, I packed it myself, so I can't make a mistake. ”

Another master next to him also pointed to the photo in his hand and said, "I pushed the refrigerator down with a cart." It's this one, that's right. ”

"I remember this cabinet, the corner is a little paintless, I also asked the owner, do you want to protect it when packing, the owner said it's okay." The third master spoke.

"Thank you, masters." Ho Ka-fai took back the photo and thanked him at the same time.

Ma Jun next to him asked: "Isn't the D on the thirteenth floor already vacated, how can you have a photo there?" ”

"Look at where these pictures are." Ho handed the photo to Ma Jun.

Ma Jun took the photo, looked down, and was taken aback: "Isn't this a photo of the deceased Wang Hai's family?" ”

"That's right, these are the photographs taken by the Forensic Bureau at the time of the deceased's residence. But the movers said it was a picture of the family they moved to yesterday.

This shows that the deceased's residence on the twelfth floor D and the thirteenth floor D upstairs on his upper floor are not only completely identical, but even the furniture is exactly the same! ”

He Jiahui said, with a confident smile on his face, and continued; "The murderer is really good at tricks, but his methods have been cracked by me!"

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(End of chapter)