Sheriff's Department, Combat Police Force.

It was already 12 o'clock in the middle of the night, and Zhang Yu originally just wanted to have a meal at Master Jia's house, but he didn't expect to catch up with this kind of thing.

was busy at the scene until half past eleven, and followed Ni Ni to the police team.

Zhang Yu also called Su Ying and asked if Su Ying had arrived home, and the reply he got was that he wouldn't go back too late, and he would spend the night in the office to reassure himself.

Between the two of them, there was never any suspicion, and Zhang Yu also knew that Su Ying's work was very hard now, so he was comforted for a while before hanging up the phone.

At this moment, he is sitting in Ni Ni's office, and it is not difficult to see that Ni Ni's face is full of tiredness, and it is estimated that she has been working overtime a lot recently.

"You can really do it, no matter where you go, you can encounter a case." Ni Ni looked at Zhang Yu and said a little angrily.

"I don't want to, I also want this world to be peaceful every day...... Isn't this just in time......" Zhang Yu said innocently.

"You're quite able to catch up...... Ni Ni pursed her lips and said, "What do you think of this case now......

"I think it's still murder......," Mr. Zhang said.

"But you can see the results of the inspection of the whole building...... We conducted a carpet investigation, including visits to each household, and we were completely certain that the murderer was never in the building...... The autopsy results also came back, and the body was all right, ruling out the possibility of taking drugs and physical contact with people...... Ni said.

That's right, at that time, Zhang Yu suspected that the murderer definitely did not leave, because with the speed at which he came out, no matter what, it was impossible for the murderer to come out of the stairs before him after leaving the person behind. Moreover, Wu Xiangwang also confirmed this through monitoring, after the deceased fell from the building, the first people to come out were Zhang Yu and Master Jia.

Subsequently, the police team conducted a door-to-door investigation of the fire escape in the building. Even if you can't knock on the door, you can ask the property to call and contact the owner, call the owner home, and cooperate with the investigation.

The building was searched twice and no suspicious person was found. More importantly, there is a monitor in the elevator, and the doors of the fire escape are locked from the inside, and after the murderer kills, if he leaves the fire escape, it is impossible to lock the door from the inside. If you leave the elevator, you can see it directly from the surveillance.

There were two households on the 8th floor, and there was no one in the neighbor's house at the time, so the property invited the residents back, and the people from the combat police team came in to confirm the accurate results. That is, the deceased's home was completely formed as a secret room at that time, and no one had the possibility of killing the deceased and then leaving.

"This ......" Zhang Yu frowned, as far as the current situation was known, except for the deceased who committed suicide, no one could enter the house to kill her and then leave calmly.

In the same way, he also identified his initial analysis, there was no reason for the deceased to suddenly jump off the building and commit suicide halfway through the shower. The possibility of slipping and falling out is even more none.

With a "click", the office door opened, and Wu Xiangwang walked in from the outside.

Ni Ni looked at Wu Xiangwang and said, "Brother Ang, are there any new discoveries?" ”

"Yes!" Wu Xiangwang said a little excitedly.

"What discovery?" Ni Ni asked immediately.

"We conducted a round-the-clock investigation of the surveillance in the community, and it turned out that at two o'clock in the afternoon, a woman entered the building where the deceased lived and took the elevator to the eighth floor. There was no surveillance outside the elevator room, so it was impossible to confirm what she did after she went out. But she lingered on the 8th floor for an hour before leaving. We specifically sought out the deceased's neighbor to confirm that the neighbor did not know the person and that the deceased was not at home at 2 p.m. That is, what exactly this woman did in an hour on the 8th floor, no one knows. Wu Xiangwang said.

"Is this woman's picture printed?" Ni Ni said.

"In this ......" Wu Xiangwang opened the folder in his hand, took out a piece of paper from it, and handed it to Ni Ni.

After Ni Ni read it, she handed the paper to Zhang Yu, who was sitting diagonally on the side.

Zhang Yu took a look, and the photo was an old woman, who looked to be at least in her fifties, wearing a pair of sunglasses that blocked her eyes. The old woman's clothes are average, and with this pair of sunglasses, she looks nondescript. It can be said that the purpose of wearing sunglasses is to cover up.

After Zhang Yu finished reading, Ni Ni said: "Although this woman is suspicious, the problem is that she was not at the scene at all when the deceased died. It can't be said that she killed the deceased remotely. ”

"There is indeed such a problem. But I think the death of the deceased should have something to do with her arrival. It's not clear what the relationship is...... In addition, we have another important discovery...... "Wu Xiangwang said.

"What else did you find?" Ni Ni asked.

"That's the hair you picked up in the bathroom, and we did a test. It turned out that one of them was not the deceased's ......"

Speaking of this, Wu Xiangwang once again showed excitement, "We conducted a detailed comparison, and by the way, we retrieved the existing DNA database, and unexpectedly found that there was matching DNA in the database. ”

"And this? What kind of human DNA is this? Ni Ni became excited.

"It's a female prisoner, and her name is Huo Siqi. Through the investigation, it was learned that Huo Siqi accidentally killed his cousin five years ago and was sentenced to 30 years in prison. Wu Xiangwang said.

"I was in prison five years ago...... It stands to reason that she shouldn't be able to release her...... Ni Ni said.

"Probably not." Wu Xiangwang said.

"Let's report to the boss and go to the prison to investigate." After Ni Ni finished speaking, she stood up.

"Don't worry, I have other findings." Wu Xiangwang said.

"Say." Ni Ni sat back in her chair.

"We investigated the identity of the deceased and found that she did not have any job, but there would be a record of a receipt of 20,000 yuan on the first day of every month. When we investigated the deceased's communication records, we found that the deceased, in addition to playing cards, had frequent correspondence with a person named Bai Guohao. At half past 10 this morning, the deceased received a call from Bai Guohao, asking her to have lunch with her. I think this should also be a breakthrough, will the deceased be killed because they know some secrets? Wu Xiangwang said.

"I don't have a job and I have a regular income every month, so it seems that there is something really wrong with that...... Let's go, go to the boss......"

At that moment, Ni Ni, Zhang Yu, and Wu Xiangwang walked out of the office together and went to the captain's office.

The current police team, because of Gou Fugui's case, is called busy, and the big guys are about to regard the Public Security Department as their home, especially the captain Cao Dahua.

When I entered the captain's office, I saw Cao Dahua frowning deeply, as if he was thinking about something.

As soon as Ni Ni was about to report, Cao Dahua said: "Ni Ni, you came just in time, I have to call you." ”

"Boss, what's the matter?" Ni Ni said.

"The crow is dead...... Cao Dahua said hatefully.