Profiler 2: Criminal Investigation Brigade

Yan Aizhen was stunned for a moment, and then said: "No, he doesn't go out much, and he doesn't have much entertainment."

Intuitively, Jiao Yang felt that Yan Aizhen was not telling the truth.

However, no matter how Jiao Yang and others repeatedly questioned her, Yan Aizhen always insisted on this statement.

Yan Aizhen is not a suspect, and it is impossible for the police to take her directly to the detention center for further questioning.In this way, Jiao Yang can only take away the headgear as evidence first.

After this round of investigation and investigation, the suspicion of this person named Yuan Gang suddenly rose.

At this time, the police got some new information, or detailed clues.

Lu Yuanli and other criminal investigation experts have always believed that the murderer has a relatively weird personality and has psychological problems. In the case on December 12, after the suspect had fought with the victim Wang and her son, when he left, he suddenly shook hands with Wang's son in a polite way and said goodbye to Wang, nodding and saying "Excuse me." .

After being prompted by the police, Li, the victim of the case on December 12, also recalled that the suspect seemed to like to say "excuse me".

Previously, in the "1210" case, the police force obtained two very important physical evidence, steel pipes and masks.Of course, this mask is more like a heavy headgear.After this kind of thing was seized, although the technical investigators found no hair, dander, etc. inside, there were some traces of sweat stains on it.However, due to the limitation of existing technology, human DNA has not been detected from it yet.

Jiao Yang felt that this place might be able to open a gap.The leaders of the Shencheng District Bureau listened to his report and attached great importance to it. They have been trying their best to find more advanced detection technology or equipment.

However, this place in Shencheng is not a corner. It itself has the first-class DNA testing equipment in the country. It is not easy to surpass it, so it has never been achieved.

Coincidentally, at this time Li Jinsheng heard that the Ministry of Public Security had brought a world-leading high-tech DNA testing equipment, which was in the debugging stage.

At such a tense time, Li Jinsheng couldn't wait for the equipment to be adjusted, so he took the mask to the Ministry of Public Security for inspection.However, there are still some procedures to be coordinated, and the test results are still awaiting.

However, the case is urgent and must not stand still.When Li Jinsheng personally went to the Ministry of Public Security to deliver the test evidence, he "took the lead" and brought in a polygraph expert from the Ministry of Public Security.

The task force decided to conduct polygraph tests on the eight important suspects whose possibility of committing the crime could not be completely ruled out at this time.The remaining seven people have been ruled out because after detailed investigation, it was found that there was basically no time for committing the crime.

In the first round of testing, three people failed to pass.As for the thirteen questions designed by polygraph experts for Yuan Gang, seven of them were considered abnormal by him.In the next two retests, the other two finally passed the test, but Yuan Gang showed abnormal performance in each lie test in the second and third rounds, and failed to pass.

So far, Yuan Gang's suspicion continued to rise, and the police gradually locked him in.

Jiao Yang decided to do Yan Aizhen's work again.

Seeing Yuan Gang's polygraph results, Yan Aizhen panicked.Originally insisting that Yuan Gang never went out at night, he finally admitted that Yuan Gang would sometimes go out at night, and once did not return all night.

Seeing that a breakthrough was opened, Jiao Yang suddenly asked, "How many thermal hats do you have at home?"

"Two." Yan Aizhen said, "One gray and one black."

Jiao Yang said calmly: "I remember, last time we took away the black one, what about the gray one? Take it out and let's have a look."

Yan Aizhen said nervously, "I seem to have lost this hat a while ago."

Jiao Yang said: "Then have you asked Yuan Gang?

Yan Aizhen stammered, "No... no, I asked. He said he didn't pay attention."

Jiao Yang nodded and said, "Sister, did Yuan Gang go to Jiangning before? Do you know what he did in Jiangning?"

Yan Aizhen said: "He said he would go to Jiangning to find Brother Wu. When he used to run a long-distance bus, he would run there. He said that although this job is idle now, he makes too little money. He wants to find Brother Wu. Introduce him and continue with the sports car."

Yuan Gang's current job is to work as a security guard on the construction site, with day shifts and night shifts taking turns.The police force had checked before, and the times of committing the crimes happened to be the time when Yuan Gang was on the day shift.

After Jiao Yang came back, he conducted an investigation and found that the "Brother Wu" Yan Aizhen mentioned was older and had already retired. It seemed unlikely that he could help Yuan Gang find a job.

This shows that Yuan Gang's reason for suddenly going to Jiangning is very far-fetched.It is very likely that after killing many times, leaving some evidence, and accidentally taking the victim's mobile phone, he felt guilty and wanted to escape the limelight, only to come back when he realized that nothing happened.

After the police locked on Yuan Gang, more and more evidence pointed to him.According to the data of the telecom operator, during several crimes, Yuan Gang had a call record within 50 to 500 meters from the crime scene.

After conducting a detailed background investigation, the police force also found out that Yuan Gang divorced because of his ex-wife's cheating while he was running a long-distance bus.After he was imprisoned for stealing the fuel tank of a truck, his girlfriend who was about to marry immediately turned his back on him and left him unfeelingly. These things probably caused him to be stimulated, and then he developed a perverted psychology, hated women, and looked for opportunities to take revenge on the society .

At this time, the sweat stains on the suspect's headgear, and the DNA spots were completely consistent with Yuan Gang's DNA, and the test results were sent back to Shencheng from the Ministry of Public Security.The perversion, sex, and demon case that has plagued the citizens of Shencheng for more than two months has finally been solved.

In the new round of identification of Yuan Gang by reorganizing the witnesses of the three witnesses, he was also successfully identified.

Only then did the police know that in the face of witnesses, Yuan Gang, who committed crimes continuously, would of course feel nervous.The last time he recognized someone, his gums and tonsils continued to inflame, causing one cheek and neck to swell up, and his normal face shape could not be seen at all.This is why he escaped the identification of witnesses by chance, so that it took so long to solve the case.

However, the subsequent trial work was extremely difficult.Yuan Gang was fickle. He first talked nonsense and refused to confess, then fabricated various stories and refused to admit his crimes.

Lu Yuanli, who was sitting in the monitoring room, suddenly said through the headset: "He is very disgusted when you mention words such as sex. devil, sex. perversion, lust. passion. madness. Whenever you mention these words, He clenched his fists and sighed, lowered his head and frowned, which seemed to express his pain, and he was very conflicted in his heart."

Jiao Yang paused, frowning slightly.

But Hou Xiyong has already said "OKK" to the camera, and sang bad face again, right?I am good at this!

Hou Xiyong winked at Jiao Yang, boss, look at me!He turned his head and gestured at Yu Xiaoguang, Come to Cuihua, bring props!

Yu Xiaoguang, who was sitting on the other side of Jiao Yang, saw him winking, the corners of his mouth twitched, and he turned his head and handed him the cigarette and lighter speechlessly.

Hou Xiyong scratched his hair, took off his coat, came over and slapped the table, hit the bright light, and said with a cigarette in his mouth, "Yuan Gang, you are a pervert, do you know? Be honest, how many times have you raped corpses?" ? How did it feel at that time, did you have any pleasure?!"

"No! I'm not a pervert!"

Veins twitched on Yuan Gang's forehead, and he suddenly shouted: "You all know everything, don't slander me, say that I can kill people, but I don't have rape corpses, I really don't!"

Jiao Yang immediately said: "Then how many people did you kill?"

Yuan Gang hesitated, "Six."

Jiao Yang was taken aback. Is there a scene that the police didn't find?He frowned and said, "Why are you doing this?"

"It's nothing." Yuan Gang replied, "I just want to see how these women struggled in pain before they died."

Jiao Yang said in a deep voice: "Are you alone? Do you have any accomplices?"

Yuan Gang shook his head, "No, it's all myself."

Yuan Gang quickly confessed several homicide cases, including a case that the police had not grasped before because the location was remote and the deceased was alone at home. After the outbreak of the epidemic, the community was closed.However, he still refused to say the specific motive for committing the crime.But these seem to be unimportant.The dead cannot be resurrected, and he will also be punished by law.

At this moment when the epidemic is raging, the Serious Crime Squad is relatively quiet, after all, criminals also spare their lives.

Because of Yuan Gang's case, Jiao Yang and others, who didn't even have the Spring Festival holiday, finally ushered in the long-lost vacation.

Jiao Yang took Lu Yuanli back home again.Zhou Peiyan didn't say anything as usual, but was busy adding food to Jiao Yang.

This makes Jiao Yang suddenly feel a sense of tranquility and stability in this world.

When he went back at night, he said to Lu Yuanli full of longing: "It seems that my old lady accepts you, and it's just around the corner. We will see the moonlight soon!"

"I think you think too much."

Lu Yuanli dismissed it and said, "Your mother is just afraid that I won't call you home."

"Have it?"

Jiao Yang smiled and said, "Why didn't I think that you have such power."

Lu Yuanli glanced at him, "In this regard, the elderly are more or less sensitive. On Christmas Day, you jumped up and ran away with me. Couldn't your mother see it? Even if you don't look at these things, you will I moved out resolutely, doesn't she understand?"

"It makes sense, so I was eaten to death by my wife. But to be honest..."

Jiao Yang hugged him lightly and said, "I messed up your birthday and Christmas this time. Because of the case, I didn't even have a good Spring Festival. You have to work overtime with me on New Year's Eve, and the pot is cleared." It's cold. When I get busy, sometimes I can't think about some details. I also forgot to ask you to go back and spend the holiday with the old man. Will you blame me? "

"It's not necessary to blame you."

Lu Yuanli said: "However, it seems that this mistake can be corrected. I have been here for almost a year. Whether it is at school or at home, there are some things to deal with..."

"You want to go back?!"

Before Lu Yuanli finished speaking, Jiao Yang shouted: "No, no, how long have you been here? It's not been a year yet! Last time I studied in the United States, I didn't come home until two years ago. I don't care, you can't now Walk!"

Lu Yuanli tilted his head and looked at him, "What did you just say? The generosity on your lips didn't finish, and you revealed your truth? You little wolf dog who broke his promise and got fat!"

"no!"

Jiao Yang grabbed Lu Yuanli's hand and shook it vigorously: "You also know that it is very difficult for me to go abroad for this kind of work, and I have to be specially approved by the leader. Besides, they may not agree to my going there! I am now I still don't want to be separated from you, not even for a day!"

"It's very eloquent."

Lu Yuanli said: "However, I didn't see you asking for leave to find me, or resigning to follow me."

Jiao Yang anxiously said: "Then what are you going to do not leave?!"

But there are some things that Lu Yuanli really needs to go back to deal with.He said casually, "Do you want to come and make a bet with me? If you win, I'll consider it and won't go back for now."