Sniffing the smell of toilet paper, there was the same smell from where the yellow T-shirt boy was hiding, and it was determined that the smell was the smell of the yellow T-shirt man

"What's wrong?" Zhang Haiyang asked.

Zhou Weimin, who heard the movement next to him, also walked over, "Haiyang, Luo Fei, did you two find anything?" ”

Luo Fei handed the toilet paper with a nose in his hand to Zhou Weimin, "This should be left by the boy in the yellow T-shirt." He then explained his speculation to Zhou Weimin and Zhang Haiyang.

"Luo Fei, your nose is so smart, can you trace the smell on it?" Zhou Weimin looked at Luo Fei in surprise and asked.

"I'll try." Luo Fei replied, Luo Fei still has a great grasp of tracking the murderer, and his confidence comes from the fusion of the police dog olfactory gene, not long after the fusion of the olfactory gene, Luo Fei secretly used his brother Luo Hao's clothes to find Luo Hao out of curiosity, and then found Luo Hao on the basketball court very smoothly.

Then Luo Fei, Zhang Haiyang, and Zhou Weimin came to the forked path, Luo Fei sniffed it, and sure enough, there was a smell on the yellow T-shirt boy in the air, and now Luo Fei was more sure to find the two suspects according to the smell.

Police dogs can track criminals according to the smell, because the smell of each person is different, and the smell is composed of countless molecules, and the molecules are always in motion, so in the process of walking, the position he walks through will leave the corresponding odor molecules, and it is according to these odor molecules that the police dog can track the criminals.

After tracking about 500 meters from the forked path, Luo Fei and the three of them saw Liu Haiquan and the others.

Seeing Zhou Weimin and a few others, Liu Haiquan walked over.

"Zhousuo, we chased here, this road leads to this family, we just went in to search, we didn't find it, we suspect that they passed through this mulberry leaf land, because from this side you can go directly to Xincheng Avenue, and then go to the county seat." Liu Haiquan pointed to a large acre of mulberry leaf land on the left side of the house.

Zhou Weimin glanced at the mulberry leaf field, and then looked at Luo Fei next to him.

Luo Fei didn't talk nonsense, and said directly: "They didn't pass through the mulberry leaf field, they passed through the cornfield below." Then, without waiting for others to reply, Luo Fei took the lead and took the lead in chasing after him, and Zhang Haiyang hurriedly followed.

"Why are you still stunned? Follow Luo Fei to chase! Zhou Weimin saw that Liu Haiquan and Zhang Da were still in place, and urged.

Coming out of the cornfield, Luo Fei ran into the sugarcane field below, out of the sugarcane field, the smell went down the path next to the sugarcane field, and it was about thirty minutes after chasing it, Luo Fei and the others followed the smell until Daqiao Town, a town below the county seat of Ningjiang County.

"These two guys can really run!" Behind him, Zhou Weimin was already sweating profusely and panting.

"Luo Fei, you can't do this!" Liu Haiquan asked with some suspicion, Luo Fei can track the suspect according to the smell, which sounds a bit metaphysical, including Zhang Da next to him is also a little suspicious.

"You two better save some effort and hurry." Zhang Haiyang glared at Liu Haiquan and Zhang Da with some dissatisfaction, how smart Luo Fei's nose was, Zhang Haiyang had seen it, so he didn't doubt that Luo Fei could track it according to the smell.

When he arrived in Daqiao Town, the suspect did not continue to go down, but first walked along the Ring Avenue and went up, and when he reached Mule Ditch, he kept going up, and after walking for about half an hour, Luo Fei and the others chased him to the gate of the vocational high school.

"Zhou, master, the smell of the suspect entered inside, it is estimated that he is a student of a vocational high school." After confirming that the suspect smelled into the vocational high school, Luo Fei turned his head to look at Zhou Weimin and Zhang Haiyang and said.

"Let's go, go in, Luo Fei, you lead the way." Zhou Weimin's face was a little ugly, as far as the current situation is concerned, it is very likely that the suspect is a vocational high school student, if he is really a student, this has a very bad impact and is very bad in nature.

The management of the vocational high school was very relaxed, and Luo Fei and a few people went in, but they didn't even see a security guard at the door.

Luo Fei followed the smell and quickly came to the boys' dormitory.

Male dormitory, 3rd floor, 308

"Zhu Bin, Liu Cheng, where did you two go? How do you sweat profusely. Wang Zhi, who was playing games frantically on the upper bunk by the window, saw Zhu Bin and Liu Cheng walking in panting and sweating on their faces, and couldn't help but ask curiously.

Zhu Bin glanced at Liu Cheng, and then said with a smile: "Just now, Liu Cheng and I were fighting bulls in the square, and we were tired to death. After speaking, Zhu Bin didn't take off his shoes, climbed directly on the top bunk, lay on the bed, took out his mobile phone and looked at it, but seeing that he kept sliding the mobile phone page, it was obvious that his mind was not on it at this time.

Liu Cheng sat on his chair, put his hands on his feet, and could see his hands trembling slightly, this was his first crime, and until now Liu Cheng could still hear his heart pounding.

After waiting for a few minutes, Liu Cheng finally calmed down, he stood up and looked at Zhu Bin who was lying on the bed, "Zhu Bin, let's go take a bath." ”

"Hmm" Zhu Bin heard this, and jumped down directly from the top bunk.

The two changed their clothes, brought the bathtub, and Liu Chenggang opened the door.

A few policemen rushed in, and it was Luo Fei who came to smell the smell.

"It's just the two of them." Luo Fei pointed to Zhu Bin and Liu Cheng, Luo Fei didn't know the smell on Liu Cheng's body, but when tracking all the way, Luo Fei found that there was another smell all the time, so he determined that the other smell belonged to another suspect.

"Squat, squat." When Zhang Haiyang heard Luo Fei's words, they immediately controlled Liu Cheng and Zhu Bin.

Wang Zhi, who was playing a game on the upper bunk, was frightened by the scene in front of him, and the whole person sat on the bed and didn't dare to move, nor did he dare to speak.

may be the first time to commit a crime, plus both of them are minors, and soon the two confessed to the robbery, and Zhang Haiyang also found the robbed 1,000 yuan in cash from Zhu Bin's quilt on the top bunk.

As for the bag, mobile phone and lipstick, Zhu Bin said that he was thrown by them just on the road, throwing the bag and lipstick because he felt useless, and throwing the mobile phone because he was worried that he would be tracked and located with the mobile phone.

The reason for the robbery was that there was no money to eat.

The two of them are from the same village, their parents are both working outside, and they give them 800 yuan a month for living expenses, if it is changed to normal time, 800 yuan a month will definitely be enough.

However, during this period of time, the two were crazy about the video game city, and spent all their living expenses on it, and seeing that only a few days had passed this month, they didn't dare to call their families to ask for living expenses.

In the end, the two of them went to rob as soon as they combined.