Qin Xiaolan saw Xu Ziyao's style, and immediately believed Xu Ziyao's words, and hurriedly racked her brains in her mind to think about things related to the deceased.

"I can't remember that all of a sudden......"

After Qin Xiaolan finished speaking, Xu Ziyao immediately stood up and shook hands with Qin Xiaolan: "Thank you very much Miss Qin for your help, you should be thirsty after saying so much, drink saliva first and then continue." ”

Qin Xiaolan said so many things in a row, she really felt that her throat was a little thirsty, so she didn't refuse the water cup handed over by Xu Ziyao at all.

Looking at Qin Xiaolan drinking water, Xu Ziyao smiled lightly, but when Qin Xiaolan put down the water glass, she returned to her appearance just now.

"Then let's continue, and we'll trouble Miss Qin again."

Xu Ziyao sat back in her chair and asked a lot of questions.

Seeing that Xu Ziyao asked in such detail, and basically asked about the deceased's relationship with the opposite sex, Qin Xiaolan's heart became more stable.

Before she came over, she was worried about what she would do if she was discovered, how she would be able to escape this charge.

Now that she knew that Xu Ziyao's investigation direction was completely opposite, she was relieved.

Xu Ziyao is best at observing words and feelings, as soon as she saw Qin Xiaolan's face, she knew what she was thinking in her heart, and she sneered in her heart.

There are always people in this world who are so naïve, mistakenly thinking that they can escape justice after doing something hurtful.

It's really that all the police are vegetarians, and this kind of person should give them a big lesson, and they will remember it later.

After almost investigating everything that should be investigated, Xu Ziyao personally sent Qin Xiaolan out of the door: "Thank you so much Miss Qin today, once the results of our investigation are out, we will definitely inform Miss Qin as soon as possible." ”

Qin Xiaolan stretched out her hand to wipe the sweat on her forehead, and also smiled at Xu Ziyao: "Dr. Xu, you are too polite, this is what I should have done." ”

"Next, if we still need Miss Qin's cooperation, I hope Miss Qin can do her best to cooperate."

In order not to make Qin Xiaolan suspicious, Xu Ziyao tried her best to play the trick: "Miss Qin, you also know that it is really difficult for us to do it now, only with your help and cooperation, we can be a little easier." ”

Qin Xiaolan really didn't notice Xu Ziyao's mouth, she smiled at Xu Ziyao, and agreed to the matter very boldly.

"Please rest assured, Dr. Xu, as long as there is a place where I need to be used, I will definitely do my best to help......"

The two of them stood at the door of the police station and exchanged pleasantries for a while, until a few police officers outside came over to greet Xu Ziyao, and Qin Xiaolan left in acquainted with each other.

Returning to her seat, Xu Ziyao put on a glove with an expressionless face, and walked into Fazhengke with the cup that Qin Xiaolan had just taken to drink.

"Let's examine this cup, I suspect that the person who just used it may have something to do with the murderer of the deceased."

Xu Ziyao said this, which was equivalent to suspecting that Qin Xiaolan was the murderer, Fa Zhengke didn't even dare to delay at all, and directly took the cup and began to test it.

"Got it, give us a little time, and we'll go out and tell you as soon as the results come out."

Seeing that they had already started working, Xu Ziyao slowly exhaled a breath, and at the same time, some disgust appeared in her heart.

She had just acted in front of Qin Xiaolan for so long in order not to startle the snake, and now she was really almost disgusted to death.

An inspector beside him saw that Xu Ziyao's expression was not very good, and immediately asked, "Dr. Xu, do you need to pour you a glass of water?" I don't think your face is good. ”

As soon as she mentioned the word water, Xu Ziyao remembered the action she had just given Qin Xiaolan water, and she felt sick when she thought that she had such an intimate contact with the murderer just now.

"You're busy, I'll go out and drink by myself." Xu Ziyao didn't want to touch the water yet, so she politely rejected the person.

Seeing that everyone was stuck in work, Xu Ziyao walked out by herself, and Gu Hanqing, who had been hiding in the corner and pretending to be absent since the beginning, looked at her and shrugged her shoulders gently.

"Did you observe anything?"

This is what Xu Ziyao and Gu Hanqing have discussed since yesterday, and today the two of them are in the light and in the dark, and they are separated to observe Qin Xiaolan's small movements.

Because the corner Gu Hanqing chose was relatively remote, and there were a lot of obstacles in front of him, Qin Xiaolan really didn't see Gu Hanqing.

Hearing Xu Ziyao's question, Gu Hanqing nodded lightly: "Of course I found it, and the discovery is not small." ”

The corner that Gu Hanqing chose was carefully calculated by them, and they could observe all of Qin Xiaolan's small movements, but Qin Xiaolan couldn't observe him.

It was also because they chose well, so all the actions that Qin Xiaolan exposed under the tense situation just now did not escape Gu Hanqing's eyes.

"It seems that Qin Xiaolan has been hiding a lot of things from us, and she has been lying since she just talked to you."

Gu Hanqing said everything she had observed, Qin Xiaolan had too many loopholes, and under this statement, it was almost possible to conclude that she was the murderer.

Xu Ziyao's own judgment, coupled with Gu Hanqing's judgment, was enough for the two of them to convict Qin Xiaolan.

Next, as long as the DNA on the cup is checked, as long as it is determined that the DNA is related to Qin Xiaolan, they can directly arrest people.

Fortunately, Fa Zhengke's actions did not disappoint Gu Hanqing and Xu Ziyao, and they soon checked out the DNA on the cup.

"Captain, Dr. Xu, you two are right, the DNA on this cup is indeed the same as the skin tissue DNA in the deceased's fingernails."

The deceased had resisted for a period of time before he died, so there was still a lot of skin tissue left in his hands.

The killer probably didn't notice that he was already injured, so he didn't think to clean the deceased's fingernails.

After the body was returned for examination, the medical examiners removed the fragments of skin from the deceased's fingernails.

It was also fortunate that there were these skin fragments, so they were able to check the results so quickly.

After Xu Ziyao heard this, she immediately turned her head to look at Gu Hanqing: "Heard?" Now it's time to start preparing for the arrest. ”

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