The Underworld Detective

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We came to that park. Today is the weekend. There are a lot of people here, Huang Xiaotao said, "There are more people in the morning."

I said, "Buy a kite."

Huang Xiaotao was surprised: "You are serious!"

I nodded: "I haven't flew a kite so big, buy a kite!"

When we came to a small stall, I picked a butterfly, Huang Xiaotao picked a cricket, and it would make a sound, Wang Dali was still picking. I noticed that a kite with a strange shape was hung on the back of the stall. It was a very ugly little swallow. It was especially ugly. It was not that Zhao Wei was ugly, but it was ugly. It was red, and Xiaoyanzi had two big blushes on her face, similar to a village aunt, and the size was particularly large, and the area was a lot of gray.

I pointed at the kite and said, "Strongly, you buy that."

Wang Dali refused without thinking: "The workmanship is too rubbish. It's so shameful to put this stuff on, I don't want it!"

I said toughly, "Buy me this, or don't play!"

Wang vigorously said quietly, "It turns out that you are such a man with control, and you are really sad for your future girlfriend."

Huang Xiaotao laughed while covering her mouth, and said, "Don't talk nonsense, hurry up!"

Wang Dali had no choice but to buy the kite reluctantly, and held it on the road. Many people laughed at his wonderful taste, and Huang Xiaotao smiled puzzledly, "Why do you want to rectify him?"

I said, "This is the restoration of the crime. Will you fly a kite?"

Wang patted his chest vigorously and proudly: "I've played with the kite and will teach you later."

Wang vigorously taught us how to fly a kite. As a result, his kite was too big and was shaken left and right by the wind, instead of being as good as our little kite.

Finally, Wang Dali ’s kites flew up, flying higher and higher, and looked particularly eye-catching in a bunch of colorful kites.

Huang Xiaotao stared at the kite: "Song Yang, I seem to understand your intentions ..."

Wang Dali said, "What do you mean?"

I explained: "Is this kite very special? Many people are watching the process of setting it up. Think about a human skin kite larger than it. How did the killer put it up? I'm afraid someone has already called the police before putting it up. Now, this kite should not be put up, but dropped from a high place. "

I looked around and said, "Strongly, collect the kite first, let's do an experiment!"

Huang Xiaotao and I gave the kite to the two children. Wang Dali held the kite and went upstairs with us. We went up to the rooftop. I asked Wang Dali to throw the kite down.

The kite flew down in the wind and slowly fell to a tree. I asked Huang Xiaotao, "Where did the kite fly from in the morning?"

Huang Xiaotao shook his head: "Not quite sure, I ask!"

I said, "It's best to call the Weather Bureau and see what wind is blowing this morning."

Huang Xiaotao made two phone calls and then told me that the human skin kite flew into the park square from the southeast direction, and it happened to be southeast wind in the morning.

I said with confidence: "Let's experiment a few more times to determine where the killer was!"

We ran across several buildings, the kite was thrown many times, and it became shabby. In the end, I found the most suitable location on the sixth floor balcony of the building, where the kite can float to the park square. .

I noticed a sputum in the corner. The color of the sputum was green and yellow, which was a sign of yin deficiency and fire. It was also mixed with some bloodshot blood, and it felt like someone with respiratory disease vomited.

I took some samples with a cotton swab and put them in the evidence bag. Wang Dali shouted, "It's disgusting!"

I said, "What's the big deal, Chinese detective Li Changyu has solved a murder case. The murderer **** at the crime scene. Then he tested the urine to lock the murderer and broke the case."

Wang Dali said, "That's not disgusting!"

After taking the samples, I looked at my watch: "This case may be broken at a record speed."

Huang Xiaotao's eyes widened: "Are you so confident?"

I said, "According to our previous speculations, the killer is most likely an elderly person. The elderly person has a stubborn mind and his behavior has become a fixed pattern. Moreover, the elderly's motive for committing crimes is mostly old grievances, plus crime. It takes a lot of effort and leaves a lot of evidence. Combining these three points will solve the case by tomorrow at the latest. "

Huang Xiaotao said: "If the case can be solved tomorrow, my sister invites you to eat seafood."

I vigorously said to Wang: "Stop eating tonight and wait for a big meal tomorrow!"

Wang vigorously made a saliva move: "Then I will start a hunger strike at noon today."

At this time, Sun Bingxin called: "Brother Song Yang, where have you gone, I found out something."

I said, "Come back and wait for us."

When we went downstairs and left the neighborhood, I asked the security guard at the entrance by the way. If anyone drove in in the morning, the driver was an elderly person, and the security guard shook his head and said he didn't see it.

I glanced at the camera and asked, "Is there a surveillance video?"

The security guard said shamefully: "Our community facilities are old-fashioned, and the residents are floating people. They often collect property fees. These cameras are broken and have not been repaired. They are just pretending to be."

Huang Xiaotao asked me: "Why do you think the killer came by car?"

I said, "So big a kite can't be folded. Hold it into the community and swagger more. The killer must have a car! Unless ..."

Huang Xiaotao took the conversation: "Unless what?"

My eyes lightened: "Yes, you have someone check where the old man lives!"

Huang Xiaotao complained: "If you don't finish talking, you must die for me!"

When we returned to the game, Sun Bingxin asked where we went to play. I said the kite was gone. Sun Bingxin pursed his lips and said, "You don't even call me a kite, it's too much!"

I said, "Kite flying is also for investigating cases. By the way, what is your test result?"

Sun Bingxin took out a report saying that some saliva enzymes were detected on the kite of human skin, which is different from the DNA of the deceased. It should be left by another person, most likely left by the murderer sneezing.

I nodded and handed her a sample of the sputum and the old man's DNA. "Thank you again, test this sputum and see if it matches the saliva remaining on the kite. In addition, I will focus on comparing the human skin and the scared. Dead old man's DNA. "

Huang Xiaotao asked: "Why compare the two sets of DNA, Song Yang, what medicine do you sell in the gourd?"

I said, "I didn't sell it. I still can't say clearly. I'll wait until the test results come out."

I have some vague conjectures in my head, which are more troublesome to say, and my guess is not necessarily correct, so I must confirm it first.

Huang Xiaotao laughed: "As a masterpiece, you can learn from modern technology very much!"

I said, "The means are not important. Whichever method is good for solving the case, I believe that if Song Ci is alive, he has such a convenient technology, and he will not leave it unused."