Liu Pengcheng asked with a smile: "I think this fish must be used by Wu Gang to worship the cat, everyone has no opinion on this, right?" ”

Everyone nodded, it must be like this, except for Wu Gang and their policemen, it is estimated that no one remembers this cat named Rhubarb now.

Liu Pengcheng said: "When I just got the information provided by the ministry, I made a simple timeline. ”

Liu Pengcheng stood up as he spoke, and drew the timeline on the whiteboard at the front of the conference room.

Liu Pengcheng said, when I met with the Wu family just now, I mixed the time of this timeline with other issues. And I got a very interesting result.

In 1982, we found out his real motive for the crime, and the few remaining moments.

In 1987, when the husband and wife in Luohe City were killed, it happened to be the third day after Wu Gang's younger brother got married.

In 1990, it was six days before the full moon of Wu Gang's younger brother's son.

In 1992, the Luohe City Construction Department was restructured into the Luohe City Construction Corporation, Wu Gang's father retired, his younger brother was reduced in staff and efficiency, and he was laid off, and his family was in difficulty for a while.

However, Wu Gang's father has a group of old brothers, who have nothing to say, and Wu Gang's younger brother is good at seeing people and talking about people, and he is definitely a business master.

In 1996, the couple set up a private construction company based on their own engineering team, and the beggar was killed eight days before the company's founding celebration.

And then there is the Mingzhou murderer this time, their family has just moved, but this is not the first time their family has moved, last time they moved to the building, it was also a three-room house, and this time they only replaced the small three-room room with a large three-room room, but the last time they moved in 1994, Wu Gangke did not kill anyone.

Captain Li asked Liu Pengcheng: "Professor Liu said that Wu Gang almost didn't have much contact with his family, how did he know about these things at home." ”

Liu Pengcheng said: "He really has almost no contact with his family, and some things are told to him by the family, such as his younger brother getting married, and he, the elder brother, must be on the spot, right?" ”

Officer Li said: "How embarrassed to say it, I remember that Wu Gang is not married now!" ”

Liu Pengcheng nodded: "If their family were all embarrassed people, there would be no such serial killers." ”

Detachment Li thought for a while and said, "What does Professor Liu mean is that the change in their family's life is the main reason for his killing, or is it the motive?" ”

Liu Pengcheng said: "Not quite, do you think Wu Gang is the first time to go to the grave of that cat?" ”

It's impossible, everyone shakes their heads.

Liu Pengcheng said: "Can we think like this, every time he kills someone, he will go to the grave of the cat once." ”

It's really possible!

Liu Pengcheng continued: "And every murder is related to the major change of the murderer of the cat, that is, Wu Gang's younger brother. ”

Detachment Li suddenly remembered a possibility, and then Officer Li also reacted: "Not really!" ”

Liu Pengcheng said: "I can't say no, I can only say that there is no evidence!" But I can absolutely guarantee that the cat is the murderer Wu Gang's biggest weakness, and it is also his biggest flaw! If something happens to the cat, such as losing it, will he jump out on his own? ”…

Detachment Li looked suspicious: "That cat has been dead for so many years, how could it be lost?" ”

Liu Pengcheng said: "Do you still think Wu Gang is a normal person? ”

No one thinks that way anymore.

In the afternoon of the next day, Professor Xiao and Xiao Liu rushed to Luohe.

The first thing Professor Xiao said when he saw Liu Pengcheng was: "I want to think about it, and the method we came up with is absolutely feasible!" If you do succeed this time, this is definitely a classic example of the application of psychology, and I mean all over the world! ”

Liu Pengcheng said with a smile: "We succeeded, you, me, and Professor Guan Tong." ”

Professor Xiao laughed: "Yes, our victory! ”

At this time, the Luohe City Criminal Police Detachment was also busy, and they began to deploy control at the railway station and bus station. Several guest houses and hostels where Wu Gang once stayed also went through the police station in the name of pre-holiday security checks, but nothing was gained.

Some leaders of the Public Security Bureau originally wanted to carry out a city-wide investigation, but they conflicted with Liu Pengcheng's plan and were easy to startle the snake, and in the end, with the efforts of the Li detachment and the intervention of the provincial department, they still carried out the unbelievable arrest plan proposed by Liu Pengcheng. I don't know if psychology is reliable or not.

Immediately, the streets and alleys of Luohe City are plastered with lost cats, which probably means that someone has picked up a cat, because I also have a cat, I understand the mood of the cat owner very well, and hope that the owner of the cat will come to claim it as soon as possible after seeing it.

This notice also has a picture of a cat, of course, in black and white, a yellow cat lying on the sofa, looking very laid-back and cute.

This incident became the news in Luohe City in less than a day, because this kind of yellow native cat does not need to be bought at all, whose cat has a cub, it is guaranteed to come, even if it is bought in the dog market, it is three or two yuan.

I don't know which rich man is full of food, so many small advertisements are printed everywhere. It also has the address and a local mobile phone number printed on it.

On the afternoon of the second day after the advertisement was posted, a middle-aged man knocked on the door of the room with the address mentioned in the notice, and it was a short, stocky half-grown old man who opened the door for him.

The middle-aged man smiled and said, "Hello, I heard that you picked up a yellow cat, and I just lost one." Can you show me? ”

The fat old man said: "Alas, these people are really curious, how many people have come to me to ask for cats." In this way, the cat is sleeping in the back room, you first tell me what your cat's name is, how old it is, and where it was lost. If you can match it, you can see if you can call it, okay? ”

The middle-aged man smiled and nodded: "It should be, it should be." My cat's name is Rhubarb, 10 years old, and it was a big yellow cat that was lost in the family yard of the construction department. ”

The fat old man said in surprise: "It's really all right, it's all about the same, maybe this cat is really lost by you." Then let's go into the house and see if the cat is awake, and then you call it, and if it recognizes you, you can take it away. ”

The middle-aged man said in surprise: "Thank you, old comrade, then let's go over and have a look." ”

As he spoke, the middle-aged man pushed open the bedroom door with his left hand, but unfortunately, he didn't see any cats when he pushed the door open, to be precise, he didn't see anything in the room at all.

Because the moment he pushed the door open, a fist quickly enlarged in his eyes.

The punch made him dizzy, and then immediately after that, it was as if both of his temples had been hit by a sledgehammer at the same time, and this time he could only roll his eyes and fall to the ground.

Xiao Yang squatted down and pulled out his right hand in his trouser pocket, with a shiny scalpel in his hand.