I am Detective Wu Nan

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Pang Hai did not ask Wu Nan any more questions. He not only told Wu Nan the ID number of the suspect in the photo that Wu Nan had locked onto, but also took photos of the other party's student file page by page with his mobile phone and sent them to Wu Nan.

Ye Jianheng, male, was born on September 24, 1987. His native place is Liuhe Town, Taicang City, Jiangsu Province. He attended Xintang Primary School in Liuhe Town, Taicang City, and Mingde Middle School in Taicang City for junior high school. He was punished for fighting in a group. In

2003, the sixteen-year-old Ye Jianheng was admitted to Taicang High School. On May 23, 2004, Ye Jianheng was placed on probation for beating a classmate. On May 25 of the same year, he was expelled from Taicang High School for participating in a group fight again.

Wu Nan slid his mobile phone, occasionally enlarging the pictures and flipping through Ye Jianheng's files.

Ye Jianheng was expelled from school in his first year of high school, but because he was from Taicang, Pang Hai could find out even if his student registration was not in the school.

He really looks like the man who followed Wu Nan this afternoon!

But this does not mean they are the same person.

The photo of Ye Jianheng in the student record shows a thin boy with messy hair, because messy short hair was popular in that era, and Ye Jianheng's hairstyle was the same. The man who followed Wu Nan in the afternoon could be said to be a fat man, but not too fat.

Ding! Ding! Ding!

Pang Hai sent several pictures in succession, all of which were taken with a mobile phone. They were the physical examination report of Ye Jianheng in his first year of high school. At that time, Ye Jianheng was 1.68 meters tall and weighed 62 kilograms.

"I really hope it's you.……"Wu Nan sighed.

Wu Nan does not believe in so-called coincidences! In addition to his relatively metaphysical constitution of a death god elementary school student, other coincidences... when multiple coincidences are superimposed together, they are no longer coincidences! There are many coincidences in Ye Jianheng!

His height at that time was no more than 1.7 meters, he dropped out of high school, and he looked very similar to the person Wu Nan met this afternoon. What's more coincidental is... his birthday is September 24, 1987, and this day is the second day of the eighth lunar month!

Although on the other hand, Pang Hai used the second day of the eighth lunar month as the selection condition for precise screening, so the selected person was naturally born on the second day of the eighth lunar month, but it is also a"coincidence" to find someone similar to the one who followed Wu Nan this afternoon within this single birthday date range!

Wu Nan really hopes that this person is the murderer!

The 515 case is very, very difficult to solve. In comparison, the Luo Tiantian case is even more difficult to solve, because the murderer already had extremely rich experience in committing crimes and anti-reconnaissance capabilities when committing the Luo Tiantian case. If the murderer does not make a mistake, there will be no clues!

So, in fact, it can be said that luck is needed to solve this case!

A new idea may solve this case, but it may also lead people into a new dead end!

Wu Nan doesn't want this to be a dead end!

This murderer can be said to be extremely dangerous, with great social harm, and it is easy to cause panic and extremely bad influence. Luo Tiantian is already dead, and no one knows who the next victim will be. Wu Nan doesn't want this kind of case to happen in Mohai again, because as long as it happens again and is known to the public, it will inevitably make people realize that this is a serial case!

At that time, the fishing boats will boil, and the pressure on the police in Mohai to solve the case will suddenly increase. Under this pressure, the murderer is likely to realize the danger, or leave Mohai out of the desire to avoid the limelight.

Once all this happens, the case is over!

The murderer will not give the police another chance!

Wu Nan was typing on the keyboard, Ye Jianheng's ID number, but this is enough... In this Internet age, as long as a person is, he will leave a lot of personal information on the Internet.

Of course, it is not easy for ordinary people to check this, but this is not a problem for Wu Nan.

Wu Nan first hacked into the traffic control office system, and through Ye Jianheng's ID number, he found Ye Jianheng's driver's license and other related information, and found the mobile phone number that Ye Jianheng used to receive text messages about traffic violations... In fact, Wu Nan wanted to hack into the bank directly before, but considering the sin value, it was more cost-effective to hack into the traffic control office, and the latter was less"sinful".

After getting Ye Jianheng's mobile phone number, Wu Nan tried one by one on major mainstream news media websites, and found the email address bound to Ye Jianheng's Weibo account in the background of the Weibo system, which was a QQ email address.

Registering an account with a mobile phone number has only become popular in recent years. The most commonly used method before was email, and even now, most websites can register with both mobile phone numbers and email addresses.

Therefore, for Wu Nan, getting Ye Jianheng's QQ email address is equivalent to knowing all of Ye Jianheng's secrets on the Internet.

If he has a secret...

From a normal perspective, if Ye Jianheng is really the perverted murderer, then he must have left a lot of traces on the Internet, such as browsing child pornography websites, posting on some indescribable forums, saving some special photos in certain network spaces, and so on.

Through a person's Internet traces, it is entirely possible to infer a person's behavioral habits, preferences, and so on.

Ten o'clock... eleven o'clock... twelve o'clock...

This was a sleepless night for Wu Nan!

He kept searching for websites on the Internet, constantly cracking websites, and trying to use Ye Jianheng's mobile phone number and email account to verify whether the account already exists... After some indescribable websites were cracked by him, because the content was really unbearable to look at, he hacked them.

The workload is very large!

From a certain perspective, this is also like looking for a needle in a haystack.

But Wu Nan's Internet search is also targeted! For example, those indescribable websites, as long as you enter some special keywords in the search engine, you will definitely be able to find them.

And this kind of���Websites that are highly private or membership-based must be registered.

However, there are two key websites and clients that Wu Nan tried.

The first is Alipay!

The second is QQ!

Because there will be mobile phone reminders. For example, if Wu Nan logs in to Ye Jianheng's QQ now, QQ will prompt for mobile phone verification, and Ye Jianheng's mobile phone QQ will also prompt... This is very troublesome and will alert the other party! Although

Wu Nan can continue to crack deeply and save Ye Jianheng from reminders, this requires attacking the QQ database, which is too much work. What if the QQ official system maintenance programmer finds that the firewall is being attacked and turns into a tug-of-war, it will be fun!

Wu Nan never dared to look down on the world. Although his hacking skills are world-class, he can't stand the other party's large number of people. God knows how many programmers are on duty at Penguin.

So Wu Nan decided to wait.

He still has to search for clues on various indescribable websites first.

It was four o'clock in the middle of the night.

Wu Nan hadn't slept yet, but he was already very haggard.

He was not in a very good mood, because he had been busy in vain tonight and did not find any problems, which even made him doubt whether he was wrong.

The only thing that made him feel fortunate was that he could be sure that Ye Jianheng was now living in the Demon Sea, because the IP addresses he used to log in to various websites in recent years were basically the Demon Sea, and occasionally Taicang.

Rubbing his eyes, Wu Nan took another look at the time.

Ye Jianheng should be asleep during this period, right?

Wu Nan first picked up his mobile phone, opened his mobile QQ, chose to add a friend, and then added Ye Jianheng's QQ number.

Wait!

If Ye Jianheng is already asleep, then even if his mobile QQ receives a prompt, he will not wake up, and in that case, Wu Nan will not receive the message of approval or rejection of adding a friend.

In this way, Wu Nan dares to log in to his QQ number!

So Wu Nan plans to wait for ten minutes. _To read the ununderlined version of the novel, please download Fulu