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"Between a prostitute and a prostitute, there is no condom in a relationship, this is not logical, normally speaking, even if the man asks not to wear it, the woman will not agree, in case of pregnancy, it is very troublesome. Yang Mi said.

"So that's where we wonder, and after investigation, the victim didn't have a regular partner. Li Siyu said, that is to say, the victim does not have a legal boyfriend or husband who lives together.

"Could it be that the murderer had a relationship with her after the victim's death?" asked Yang Mi.

"The results of the forensic examination showed that it was not, because the victim's uterus had estrogen secretion, so it was determined that the victim had a relationship voluntarily. Ye Mo said.

"Then this case is a bit strange, what is the murderer's motive for killing?" Ju Jingyi also felt incredible.

"There are many motives for killing, and the price cannot be negotiated with the prostitute, or after having a relationship, the victim asks for more money, and threatens the murderer, if he does not give money, he will tell his wife or something, this can be the motive for killing, but I personally think that the motive for rape and murder is very low. Ye Mo said.

"Let's investigate the three suspects first. Li Siyu said while eating breakfast.

Soon, all three suspects were taken to the detachment.

After questioning, all three of them were frequent customers of the victim Liu Yu, all around 50 years old, and they all had wives and children at home.

However, DNA testing revealed that none of the three were eligible.

This gets a little confusing.

These three people, respectively, went out of the elevator on the victim's floor at 8 o'clock, 9 o'clock, and 10 o'clock in the evening.

The three also confessed to the fact that they went to the victim's house to have sex with her and gave money for prostitution.

The one-time charge is 388.

Sometimes, I would go to her house several times a month.

In other words, the DNA in the victim's body is another man's.

But before the case is solved, none of the three people can clear their suspicions.

Ye Mo especially interrogated the person who went to the victim's home at the last ten o'clock.

The man claimed that he called the victim at eight o'clock and asked her if she had time, and she said that he asked him to come to her door at ten o'clock.

So the man arrived at the victim's home at 10 o'clock on time.

When it ended, it was around eleven o'clock.

And through the surveillance video, it is shown that the man did leave by elevator at about eleven o'clock.

Therefore, these 377 trio did not have the time to commit crimes.

In the subsequent surveillance, no other man appeared in the elevator on the victim's floor.

The monitoring of the victim's community is only the elevator, not the door of the resident.

So, you can't rule out that someone went up the stairs to commit the crime.

But the monitoring of the lobby on the first floor has recorded more people.

There are so many residents in this building, it will take you some time to investigate them one by one.

Until the end, the step of having all the males in the community come over and do the DNA matching will not be taken.

And at this time, Ye Mo thought of someone.

That's the man who reported the crime.

He gave Ye Mo the feeling that something was wrong.

Obviously he could call 119 directly, but he had to come to the criminal police detachment.

Moreover, the whole building was sleeping, and no one noticed the fire, and he found out about it at the first time.

And when he found out that the fire was on fire, the fire was not very large.

This season is very windy, and the smoke from the fire at the beginning will be blown away by the wind, and it will not drift to the home of the alarm for a while.

Moreover, it is winter, the heating is on at home, everyone is closed with windows and doors, and smoke cannot come in!

Of course, there are some things that make sense to this caller.

If he was a suspect, he would not have come to the police so quickly.

At least until the fire completely burns the victims.

At that time, Nemo A will not be able to be extracted.

It is impossible for this person to call the police so quickly knowing that she has evidence of herself in her body.

Although this person is unlikely to be the murderer, he feels wrong.

So Ye Mo asked the police to summon him to the detachment, and Ye Mo interrogated him personally!

Coming to the interrogation room, Ye Mo saw the man again.

He looks to be in his fifties, about 170 tall, and weighs around 0 pounds.

"Tell me more about what happened to you last night. Ye Mo asked.

"I got up in the middle of the night last night to go to the toilet, probably the window of the toilet was ventilated, I didn't expect to smell a burning smell, the more I found out that something was wrong, so I immediately ran downstairs to see the situation, and found that the door of the downstairs resident was smoking outside, I realized that it was on fire, so I ran directly downstairs, come (afee) to call the police!" replied the man.

"You said the smoke drifted to your house?" Ye Mo asked.

"Yes, a lot of smoke, coming up from the bathroom downstairs!" replied the man.

"No, when we arrived at the scene of the crime, the doors and windows of the victim's house were closed, and the heating was turned on at home in winter, and the wind was blowing at this time, and it was impossible for the smoke to drift upstairs to your house, even when you called the police, most of the people in the community were asleep, and the fire only began to rage when the firefighters arrived. Ye Mo asked.

Hearing this, the man began to sweat on his forehead.

In this winter, he is so nervous, it can't help but make people a little suspicious!

Seeing this man's nervous appearance, Ye Mo continued to ask, "Are you alone in your family?

"I got divorced many years ago, and my wife got married with children!" replied the man.

"I advise you to tell the truth if you have any knowledge, we will then investigate the victim's call records, and we will also check all the recent surveillance, if you continue to lie, it will only increase your suspicion!" Ye Mo said.

"I, I'm actually Liu Yu's landlord, and I bought the house she lives in. The man replied.

"What's your name, age. Ye Mo asked.

"My name is Zhang Hua and I am 52 years old. Zhang Hua replied.

"In addition to being Liu Yu's landlord, do you have any other relationship?" Ye Mo asked.

"She, she's out to sell, and sometimes she sleeps with me to offset the rent. Zhang Qiang replied.

"How many times have you two had a relationship?" Ye Mo asked.

"Once or twice a month, sometimes without taking money, sometimes giving her 300 yuan. Zhang Qiang replied.

"When was the last time you had a relationship?" Ye Mo asked.

"Three days ago, she came to my house and said that she had no money to pay the rent, so it would be okay to slow down for a while, and I said yes, you and I will be comfortable with you, and I will give you a few days. Zhang Qiang confessed 1510.

At this time, an investigative police officer walked in, and then said to Ye Mo: "Team Ye, we found a hidden camera in the bathroom of the victim's home. "

Ye Mo frowned, then looked at Zhang Qiang and said, "Did you install a surveillance camera in the victim's house?"

Zhang Qiang was sweating profusely, and he couldn't say why.

"I'll just ask you, you answer, yes or no!" Ye Mo said.

"Yes!" Zhang Qiang lowered his head and said.

"How long have you been installing this surveillance camera?" Ye Mo asked. (If you read a violent novel, go to Feilu Novel Network!)

"It's ...... It's been a long time. Zhang Qiang replied.

"In the victim's house, there is more than one camera, right?" Ye Mo asked.

"She, she also has one above her bedroom!" Zhang Qiang confessed.

"Go to Zhang Qiang's house immediately and retrieve the surveillance video!" Ye Mo said, since the victim's bedroom also has a camera, then it is completely possible to check the surveillance to know what happened that night.

However, Zhang Qiang said: "This camera does not have a saving and playback function, only real-time images. "[]

"No way, all video recording equipment has a save and playback function!" Ye Mo said.

"I installed it by myself, and there is really no playback function, that is, when you want to peek, you can open it and watch it, like this!" Zhang Qiang replied.

"How many tenants have you spied on?" Ye Mo asked.

"Remember...... I can't remember exactly, Liu Yu moved in 6 months ago, and she used to have many female tenants. Zhang Qiang replied.

"How many years have you installed it?" Ye Mo asked.

"It's been more than 6 years. Zhang Qiang replied.

"Have you ever disseminated these videos?" Ye Mo asked.

"No, no, I peeked when I was alone, and I didn't spread it!" Zhang Qiang replied, this person is still a teacher, and he has explained everything in 1510, so there is a high probability that there is no transmission, as long as there is no transmission, and he peeks alone, then it does not constitute the crime of transmission.

The law does not criminalize the peeping of other people's privacy separately, so if it is only peeping on other people's privacy, it does not constitute a crime, but is an illegal act and will be subject to administrative punishment.

Voyeurism is a type of sexual perversion, a personality that is distorted and requires psychotherapy.

Voyeurism generally does not violate the criminal law, but it will be subject to public security administrative penalties and civil liability depending on the severity of the circumstances.

However, if Zhang Qiang disseminates the secretly filmed video, it constitutes a crime.

Over the years, he has installed cameras in his own home, connected upstairs, and he doesn't know how many teenage tenants he has spied on.

"So, when you found out about the fire at night, it was actually you who got up to peep, right?" Ye Mo asked.

"Yes, I couldn't sleep, I got up to see what the woman was doing, but when I turned on the screen, I found that it was all fire, I thought to myself that it was my house, it was on fire, it was over, I was at a loss, and I didn't bring my mobile phone, so I came to you to call the police!" Zhang Qiang replied.

"I see, now please cooperate, let's do the DNA pair. Ye Mo said.

"Okay!" Zhang Qiang nodded.

Soon, after collecting Zhang Qiang's DNA, the technical department immediately took it for comparison.

The extraction, isolation, and purification of DNA requires time and technical skill.

After that, the genetic data of the sample needs to be processed in a series of processes, such as PCR ramp, electrophoresis separation, and sequencing, which also require considerable time and patience. Finally, the police need to compare the DNA information of the sample with the sample in the database, and look for possible suspects by comparing the results.

Processing times vary depending on the DNA pair. If the sample is of good quality and the relevant matching data is already available in the database, it will only take a few hours to a day or two to produce the results of the police comparison DNA.

However, if the sample size is particularly large, or if the relevant match data does not yet exist in the database, the alignment time may stretch to weeks or months.

Modern technology is already very developed, plus there are sperm extracted from the victim's body.

So it only takes two hours to get results!

Even four years ago, it would have taken months for the police to conduct a DNA test.

And now the maturity of technology has been of great help to the police in solving cases.

Soon, more than two hours later, the results of the comparison came out.

Unfortunately, Zhang Qiang also did not match the results.

Moreover, Zhang Qiang, the Ye Moye team, took a polygraph and found that he was indeed not lying.

He confessed the fact that he had been peeping for so many years, and in fact, it was clear that he had no reason to lie.

He can completely say that the camera he installed recently only peeked at Liu Yu alone.

In this way, his violation of the law will not be so serious.

It can be seen that Zhang Qiang is a pervert with voyeurism, but he is still relatively honest in character.

It can be seen from the fact that he rushed to the detachment to call the police in a panic.

Normal people will inform the security guard and ask the security guard to call 119.

And he took a different approach.

may be more exciting for him to peep at Liu Yu than for Liu Yu to come up and sleep with him.

Now, after comparing the four suspects, none of them match.

The case is a bit of a hassle when it gets here.

So, the next step was to investigate all the call records of Liu Yu before his death.

Soon, the investigating police found all of Liu Yu's call records in the business hall.

During the day, Liu Yu spoke to only six people, three of whom were prostitutes who had appeared before.

There are three more, two of whom are women.

That's one of them.

Soon, after investigation, it was found that the owner of the phone number was named Liu Bo, a local.

I talked to Liu Yu for a short minute at two o'clock in the afternoon.

So, the police immediately summoned Liu Bo to investigate.

When he came to the interrogation room, Ye Mo saw this man named Liu Bo.

He looks to be in his 40s, about 175 tall, weighs around 140 pounds, has short hair, a relatively strong figure, dark skin, and rough hands, and should be doing manual work.

It is entirely possible for such a person to smash the victim to death with a cutting board.

Ordinary people, you use a cutting board to kill people, and it is really difficult.

First of all, the cutting board is a round shape, you can't use force, and if your first blow doesn't cause damage to the victim that can't be resisted.

The victim is likely to pick up the kitchen knife and resist you in the next second.

Obviously, there was no sign of resistance from the victim.

In other words, the murderer's first attack directly caused the victim to be unable to resist.

......。