At this time, the police sent back a report to the Beiting Detective Agency about the situation after Ji Zuo left home, and they found that Ji Zuo's phone was indeed called by many people the day before, but they were all artificially cut off, but only one phone was made through and the call lasted for more than 20 minutes, which should be the last call Ji Zhuo received before his death. After investigating the caller number, they determined that the caller was Ding Jiayi.

In addition, Ji Zhuo's unit also confirmed that no one saw Ji Zhuo go to work that day, and there was no so-called urgent matter for him to deal with, there is no doubt that Ji Zhuo lied to his daughter that it was a non-existent matter to the unit, and the person he actually wanted to see was Ding Jiayi.

Ji Jing heard the news on the side, and she was even more sure of her judgment, "I'm right, my dad must have been killed by this water-based poplar woman, you go and arrest her!"

Chen Tianyu knows very well that the police investigation can only prove that the last person he met with Ji Zhuo was Ding Jiayi, which is only a suspicion, and there is no evidence of murder, but it is indeed worth pursuing, but he does not know where this person is, and Ji Jing provided another investigation result of his own.

Ding Jiayi has been living in a rented house in HK for so many years, so her place of residence often changes, often living here for a few months and there for a few months. However, the most recent time, she moved to a high-rise resettlement house in the north of the city, and Ji Jing has followed Ding Jiayi here many times, especially the day before her mother Hou Hong died, she also saw Ding Jiayi once, so it was confirmed.

Chen Tianyu immediately decided to find this suspicious woman, he had no one under him, so he had to ask Guan Shaoxing to seconded a few police officers. Because he was just looking for a woman, and there was no evidence that she had acted violently, Chen Tianyu felt that there was no need to be too excited, and under the leadership of Ji Jing, they came to the resettlement house. Ding Jiayi's place is on the top floor, with two bedrooms and one living room, and the area is not large, but it is definitely enough for her alone. For the sake of insurance, Chen Tianyu still left Ji Jing and a police officer under the corridor, first, he was worried that Ji Jing would lose control of her emotions and make irrational moves when she saw Ding Jiayi, and secondly, she also needed to prevent Ding Jiayi from jumping off the wall in a hurry and finding an opportunity to escape.

Chen Tianyu and the others, all dressed in civilian clothes, were knocked on the door by the local household registration police and entered the two-bedroom hut under the pretext of checking the temporary population. To Chen Tianyu's surprise, it was not a woman who opened the door, but a little boy, who was only about seven or eight years old, and a middle-aged man stood behind him.

The household registration police explained that they needed to register as temporary residents, and asked, "No, the last time I came, there was a woman living here, who are you?"

At this moment, another lady in the room came out, and the boy called her Mommy. The lady explained, "You're talking about Ding Jiayi, she just moved out two days ago and has already sublet the house to us. ”

It was such a coincidence, they just came here, and Ding Jiayi moved away again, Chen Tianyu felt that something was wrong, and interjected and asked, "Then do you know where the one named Ding Jiayi moved?"

The lady shook her head, "How do we know this, we are renting her house, as for where people go, there is no need to tell us!"

It makes sense, Chen Tianyu just wants to try his luck, since Ding Jiayi has moved away, there is no value here.

Back downstairs, seeing Chen Tianyu and his party returning empty-handed, Ji Jing also expressed surprise after inquiring about the situation, she had just followed her once a few days ago, Ding Jiayi did come here, why did Ding Jiayi move away again at such a short time?

"By the way, since you often follow Ding Jiayi, have you noticed where she often goes or what she usually does?" Chen Tianyu asked.

Ji Jing thought for a moment and replied, "What else can a person like her do, she sleeps at home during the day, she doesn't seem to have a job, and at night she goes in and out of those colorful places, drinks and sings with others, and does some unsightly things." ”

Now that Ji Jing has decided that Ding Jiayi is the murderer of Ji Zhuo, naturally her prejudice against her is even greater, and Ji Jing even suspects that the death of her mother Hou Hong is related to Ding Jiayi, and she can't wait to catch her and lock her up now.

Of course, Chen Tianyu understands Ji Jing's current position and can't fully believe her words, but he still gets some useful information, for example, Ding Jiayi has been unemployed, so what does this big living person live on? What's more, Ding Jiayi also goes in and out of bars and nightclubs and other places, how can she afford the high consumption in those places? Is it really as Ji Jing described, Ding Jiayi's style is erosive, or she lives as a disgraceful second wife?

Guan Shaoxing got another piece of news that was not good, and he immediately called Chen Tianyu, but as soon as the phone was picked up, Chen Tianyu took the lead in asking questions.

"Old man, how is the situation of Ding Jiayi who asked you to help me check?"

"You are really an anxious child! The situation has been investigated, we have done an investigation in the real estate bureau, Ding Jiayi does not have any real estate in the local area, and her file also shows that this person has never had an employment record in Hong Kong City, that is to say, Ding Jiayi has not had a formal job for so many years, and the Human Resources and Social Security Bureau has also provided us with information, and she has not paid social security or anything like that in her name. ”

Chen Tianyu entrusted Shao Xing to inquire about Ding Jiayi's situation, which is basically the same as what Ji Jing reflected, it seems that in these aspects, Ji Jing did not neglect because of paranoia, this Ding Jiayi is indeed very eccentric.

However, Guan Shaoxing's call this time was not just to inform Ding Jiayi's information, but he learned of another murder, "Tianyu, I still have something bad to tell you, in a remote rental house next to the Blue Bridge, there was another murder, this time it was a woman." ”

"Another one died?" Chen Tianyu felt that this time the connection was too fast, there were no murders before, and there were always cases that happened every once in a while, according to Guan Shaoxing, this woman should have been killed today, which was close to Ji Zhuo's death time.

After getting the address, Xu Jingnan was ordered to go to the scene, and he found that the rental house was very shabby, and the doors and windows were closed. Strips of cloth were stuffed in the cracks under the doors, and tape was also applied around the windows, apparently on purpose. The doors and windows were intact, the deceased was a woman, her face was serene, there were no signs of external injuries, and there were no bleeding spots, as if she had died of poisoning, which made Xu Jingnan immediately think of Ji Zhuo's death, how similar it was here.

In the hut, Xu Jingnan found the woman's ID card, and Chen Tianyu had expected it before he came, the deceased was Ding Jiayi!

Xu Jingnan searched everything in the rental house again, and he found that the gas was on, and the residual smell could indeed be smelled inside. Although the autopsy and laboratory tests have not yet been performed, Xu Jingnan also probably speculated that Ding Jiayi died of gas poisoning, that is, carbon monoxide poisoning like Ji Zhuo.

Next to the bed where Ding Jiayi was lying, there was an envelope lying there quietly, Xu Jingnan opened it and saw that it contained a page of stationery, on which a few lines were written crookedly:

I really love him, and he loves me, but why can't we be together openly? It's so painful to live, every day is like a year, I can't get what I want, and I still have to live like this? No, I really can't hold on, let me die! I can't live like this anymore, since I can't live together, let's meet again after we die!

The payment is Ding Jiayi.

Chen Tianyu was not surprised that the female corpse in the rental house was Ding Jiayi, but when he heard the content of the suicide note, he always felt that there was some weirdness and disobedience, so he planned to first make a scientific identification of the authenticity of the suicide note, that is, handwriting identification. Now that technology is so developed, it is completely possible to identify whether the handwriting on the letter paper comes from Ding Jiayi himself, and only in this way can it be determined that the letter is indeed from the deceased. Once the handwriting is inconsistent, it can be directly concluded that someone pretended to have made the suicide note, and it can also be proved that the gas poisoning was committed by someone else, so handwriting identification is very important.

But the problem is that Ding Jiayi did not have any other handwriting left at the scene, her luggage was not much, and there was no place to find handwriting in it, so there was no comparison.

Xu Jingnan felt that this was a very important clue, and the authenticity of the handwriting was related to the characterization of the case, so he insisted on proceeding. He first returned to the high-rise resettlement house where Chen Tianyu and the others had been, explained the situation to the tenant and obtained their consent, and conducted a careful search, but unfortunately found nothing useful, and the tenant also admitted that after they moved, the two-bedroom house had been thoroughly cleaned up, and not all their things were piled up together and thrown into the garbage bin downstairs earlier in the day. Xu Jingnan immediately went to rummage, but unfortunately the garbage bin was empty, he contacted the sanitation company again, knowing that the garbage here had just been sent to a transfer station not far away, so he rushed over non-stop, and even rummaged in a large pile of garbage in person regardless of the dirt and smell, but the transfer station has dozens of garbage bins sent from the garbage nearby, and things are piled up, so rummaging is indeed like looking for a needle in a haystack, and in the end nothing is found.

Xu Jingnan returned to the Beiting branch, he was a little lost, he knew how to verify, but he had no references, and he couldn't solve it after working for a long time.

Chen Tianyu had a flash of inspiration and remembered a place where Ding Jiayi's handwriting could be found, and that was the rental contract. He asked, "Jingnan, have Ding Jiayi and the family behind him signed a rental contract?"

"No, I've already asked, she just subleased out, took the money and left, and didn't sign a contract. ”

"What about the original landlord? This house belongs to someone else, and I must want to go through the formal procedures when renting it out!"

As Chen Tianyu expected, according to the landlord's account, Ding Jiayi didn't want to sign the contract at first, but they asked that they couldn't rent if they didn't sign it, and Ding Jiayi reluctantly agreed. As for the content of the contract, Ding Jiayi didn't care, the work filled in was done by the landlord, and she only signed her name at the end of the contract.

With a name, three words are enough to do an appraisal, Xu Jingnan ignored his fatigue, and went to the original landlord's place to get the contract, and then sent it to the bureau, asking relevant experts to conduct appraisal, on the other hand, Chen Tianyu had already contacted Guan Shaoxing, and the experts were invited to the place, waiting for the arrival of the contract.

However, a mere signature on the contract was particularly sloppy, Xu Jingnan's heart sank when he saw it, if Ding Jiayi deliberately wrote it blindly, he was worried that it would cause difficulties to the identification. But after all, the experts in the bureau are experienced, they worked together and made every effort to crack it, and finally came to a definite conclusion in the end, that is, Ding Jiayi's signature on the rental contract and the handwriting on the suicide note in the rental house were written by the same person, that is to say, this suicide note is indeed written by Ding Jiayi, which is already a definite fact!

This result came out, but it really confused Beiting and the police, the suicide note is true, then Ding Jiayi really committed suicide. But what about motivation?

Now that Hou Hong, who is Ding Jiayi's rival in love, has died, and Ji Zhuo has no original wife, it is completely legally and morally acceptable to fall in love with others in the future, and there is no such thing as sneaking. It can be said that now is a great opportunity for Ding Jiayi to get Ji Zhuo, her patience has passed for so many years, and now it is time to keep the clouds open and see the moon, but she suddenly committed suicide and martyrdom, which makes no sense of reason!

Ji Zhuo also died of poisoning, and one of the carbon monoxide poisoning was the same as Ding Jiayi, could it be that the two of them were martyred together?

Whether it was Ding Jiayi or Ji Zhuo, they all died when they should not have committed suicide, and the woman actually left a suicide note. Take 10,000 steps back, if the two of them committed suicide by turning on the gas here together, why was Ding Jiayi the only one left, and Ji Zhuo could still run to the Blue Bridge after being poisoned, which is even more unreasonable!

Chen Tianyu also thought about whether there was a direct connection between the deaths of Ji Zhuo and Ding Jiayi and the previous series of death cases? Is this a sudden single case or a continuous case in the same vein? Chen Tianyu felt that the investigation of the case seemed to have entered a dead end, but he always had an indescribable intuition in his heart, and among these seemingly accidental and supernatural cases, there seemed to be an invisible thread looming. He believed that behind such a well-designed and perfectly laid out case, there must be a master among masters, and this extraordinary murderer was still in the shadows, ready to continue his cruel and vicious plan. In the face of such a formidable opponent, it may be really difficult to find out the truth according to the usual method, and he fell into a deep state of worry.