Influenced by his family and his later criminal investigation experience, Li Yi has a spirit of yearning and exploration for criminal psychology and criminal psychology portraits. He has no talent for it himself, but he has a strong interest in it.

He thought about whether Shen Zhibin would be blackmailed by Zhang Jiajun because of this improper relationship with Zhang Jiajun, but he quickly denied that this was a secret and could be completely annihilated in the dust, as for Shen Zhibin's motive for repaying debts and compensation, he could find another excuse, there is no evidence to die, in fact, it can be said in any way, whether it is reasonable or not is secondary, the main thing is that Shen Zhibin has a complete alibi.

In life, money and feelings are the most likely source of disputes between two people, if what Shen Zhibin said is true, he meets these two points, and Qin Gang also put forward this direction idea.

But why did Shen Zhibin tell himself frankly that this kind of unbearable private life was not a matter of light on his face when he confessed to a stranger.

And he didn't get to the point where he needed to prove that he couldn't be a murderer with all kinds of evidence. On the contrary, his frank confession may deepen the suspicion of the police.

But if the relationship between these two people is really established, then they will hide each other from the people around them, and the scope of the police investigation will be instantly narrowed to close to zero.

video, Zhang Jiajun's action trajectory in the past two days, this should be the most promising breakthrough point.

"How's the footage?"

"There's still a little bit of gain." Qin Gang said.

"The two of us combined, found a total of 13 people near the time of the crime, not counting Zhang Jiajun, he disappeared forever. Some of them walked, some ran, disappeared into the unmonitored area of the brewery, and finally reappeared separately, for no more than a minute, and disappeared for 19 minutes. 10 were women and 3 were men. The footprints at the scene of the crime were analyzed that the murderer was about 180CM tall, and in the video, we analyzed the front and back and left and right references, and 10 women did not match, and 2 men did. Xiao Wei said.

"It's a big gain, not just a little bit."

"Huh." Qin Gang smiled mysteriously, "These two men are wearing hats and can't shoot their faces, and the time for them to disappear is 13 minutes and 15 minutes respectively, which is not the longest disappearance time. They were all about the same height and both had bottles of water in their hands, the difference was that one was wearing sports shorts and the other was wearing sports pants. Men in sports pants are black from head to toe, hats, clothes, pants, and even shoes are black, and men in shorts are mainly gray. ”

From the first point that disappeared from the camera shooting range, to the first scene of Zhang Jiajun's killing, this distance is no more than 5 minutes on foot, and the section close to the brewery begins, because of the long-term barrenness, there are many weeds, and the growth in the summer is relatively lush, accumulating insects and ants, and there may be snakes.

The section of the river embankment is a kilometer long, and along the surveillance camera, there will be a massive screening, Qin Gang and Xiaowei both looked at Li Yi.

"Do I have the murderer's name written on my face?" Li Yi said.

"No, it's written in your eyes."

"Understood, is it who I am looking at now?" Li Yi smiled strangely.

Qin Gang pulled up a few pictures from the video from the computer, and pushed the monitor to Li Yi, "Take a look, these two are here to save their photos." ”

Li Yi carefully browsed through the screenshots, "If this black person walks into the brewery, he will really look like a ghost, and the two people will disappear for a longer time." ”

"The man in shorts." Xiaowei Road.

The man in shorts had a belt bag wrapped around his waist, and the man in trousers had a mobile phone tied to his arm, and both of them disappeared while jogging, and the difference between the two was about a minute. The man in shorts disappears first, and the man in trousers follows, and these two people may bump into each other, but the night is too dark and the moonlight is not bright enough, and they may not be able to see each other's true faces. ”

This makes Li Yi feel a pity, the murderer at the scene of the crime, in the distance from the brewery to the front road, there should be many people who have seen him, follow the camera to check, I hope it will be great, and the people who walk and run at night on that section of the embankment should live in that vicinity.

"How many cameras are there in the section from a recent intersection in the brewery, are they all filtered?"

"It's over, Qin Gang crossed the roadside, and I crossed the embankment." Xiaowei Road.

"Why didn't you say it just now."

"I knew you'd say it first." Qin Gang said.

"Do you have the true faces of these two?"

Qin Gang used the tool software to type another set of pictures, "The man in shorts entered from the first intersection, bought a bottle of water at a convenience store about 30 meters before the corner of the intersection, and then crossed the road to the embankment and started running. And the man in the long pants did not enter at the intersection, but appeared out of thin air when he turned right and went forward 300 meters at the intersection. With a stick of water in his hand, he crossed the road and started running along the embankment. ”

"There's a camera in the convenience store, and the man in the shorts will go to the store tomorrow to lock him down." Li Yi said.

But where did the man in the trousers come from? Li Yi recalled that there was a row of dormitories of breweries on the side of the road that were more than 30 years old, maybe he came out of the dormitory building, maybe he lived in the dormitory on the side of the road, and he was ......, and was thinking about it, when he was interrupted by Xiaowei.

"Does Brother Yi know where the man in the trousers disappeared in the end?" Xiaowei Road.

"I want to know it."

"The public toilet on the side of the road, he went in and never came out." Qin Gang said.

Qin Gang's words made Li Yi deny the idea that the man in the trousers lived in the dormitory building, the sanitary environment in the public toilet could not be compared with the situation in the bathroom at home, and this person would naturally not live in the dormitory on the side of the road. It can disappear after entering the public toilet, which is also a bit brain-burning.

"You watched the footage of how long he went into the public restroom."

"Half an hour, it should be almost, no one will stay in the toilet if it's okay, even if he poops, he can't squat for half an hour." Xiaowei Road.

"Half an hour, really squatting for so long, I guess he can't stand up." Qin Gang said with a smile.

"In addition to being convenient in the public toilet, you can also change clothes, I think he must have come out, and he changed his outfit and broadcast the video for me to see."

Qin Gang turned on the video and pulled it to three seconds before the man in long pants entered the public toilet, Li Yi relayed, clicked play, stared at the screen, and finally paused on a person who came out of the public toilet, wearing a short suit and a hat, and lowered his head.

"When the man in the trousers entered, only one man in a hat went in after him, but it was clear from the steps that it was an old man, not the same person as the man in the trousers. And this man in a short suit and a hat, although the clothes and pants are different, and the hat is not the same, but pay attention to the mobile phone tied to his arm, we zoom in and see, this is no different from the man in long pants. In addition, he had an extra satchel on his shoulder, which was not large, but it was obvious that it contained something, and he used the public toilet to change his suite. ”

Li Yi's words made Qin Gang and Xiaowei suddenly realize, "No wonder they disappeared in the public toilet." ”

"Sometimes, surveillance cameras record the truth of the incident."