I didn't feel ashamed, so I was ashamed to ask, "Sister Li, when did you get the fingerprints and device?" "I didn't even notice it, let alone Lu Qingkang in the store.

Mary didn't hide it either, took out the lock box in her pocket, she explained: "The fingerprints are on the lock, I touched the soft glue with my hand before, and I couldn't feel it when I touched it, but I could clearly print the other party's fingerprints." As for the device, I put it in the screw hole on the shelf when I entered the door. ”

I couldn't help but give a thumbs up, "Strong." ”

"Actually, I'm nothing, you are He Nai's younger brother, you should know her skills." For the first time, Mary showed admiration and said, "Although the ninth game said that I was equal to He Nai, I thought I was inferior to her. ”

I was surprised, I never thought that the cold and arrogant Mary would be ashamed of her in the face of my big sister!

Storm Bear also nodded, "To be honest, in A7, I only serve He Nai." It's a pity that God is jealous of the talent and let her go so early. Fortunately, you didn't disappoint me, and found her body, cremated it, and put it in Valhalla. ”

I sighed helplessly and said, "Yes, the remaining eye is in the hands of one of the Inquisitors of the Seven Sins Organization, and I will get it back one day." ”

"You can learn one-third of He Nai's skills, it's enough." Mary sighed and said, "Now it seems that there may not be a tenth of it." ”

I said depressedly: "When I used to go to school, my main task was to study, followed by studying trace science with my eldest sister, and she was also very busy, and she had little time. Then when I got the police academy notice, my grandfather was seriously ill at this time, although it was a fake later, but I didn't see it, I thought it was true, and took care of his old man wholeheartedly. During this period, he only relied on the information of his eldest sister to teach himself, and he didn't even have any experience on the spot, so he didn't have much to achieve, and even if he died, he was an ordinary trace master, not even an expert. After that, I came to A7, and I practiced with the boss again and again, and I grew a lot. ”

"Maybe that's why He Nai took a fancy to you, you're quite talented, and you can see that you're quite clever when you corona them with a red stick this morning."

After Mary finished speaking, her ice-like face turned to me, "I had a good relationship with He Nai before, and since she regards you as her successor, she has no chance to teach you anything more." This kind of thing of training apprentices for friends is not uncommon in the ninth game, Xu Chen, when this case is over, I wonder if you are interested in letting me teach you? I will definitely teach you everything, and I will be able to teach in 100 days at most. ”

I rubbed my ears, I heard you right!

This Mary ...... Want to teach me research traces for my big sister?

I was excited, but I didn't immediately agree, I thought for a moment and said, "Sister Li, I have to go back and ask the boss about this, ......what do you think?"

Mary nodded.

Storm Bear snorted and said, "Sister Li wants to teach you, but she doesn't accept it immediately, hey, I don't know how many people in the public security system want her to teach." ”

I scratched my head in embarrassment, "After all, it will take a hundred days, and Sister Li will definitely not stay here with A7 to teach me, I will have to follow her to your A0, so I have to be approved by the boss." ”

Storm Bear snorted again, turned his head and didn't speak again. It took me an hour to drive the car back to the police station, and sent the collected evidence to the forensic department, Mary wanted to personally conduct fingerprint comparison and analysis of water quality, she handed me a USB flash drive, saying that plugging it into the computer and loading the software of the second folder into the system, I could monitor and eavesdrop on the movements of Lu Qingkang's store.

I returned to the temporary office with Storm Bear and told Xu Rui about the hardware store, and he immediately contacted Wang Da Tam to transfer two plainclothes clothes, squatted in the old hardware and grocery store, and also went to Wu Dafang to borrow Xiao Liu, responsible for monitoring and eavesdropping.

I connected Mary's USB flash drive to the computer, the second folder is called "Screw S", I think Mary should use a device similar to a screw, copy the software to the computer and open the system to load, I pulled the USB flash drive down to the forensic room to send the USB flash drive, and asked Mary for the device number, after coming back to enter, the screen showed the scene in Lu Qingkang's store, at the moment he was sleeping on the table at the door.

When Xiao Liu came, I gave him my seat and said, "Notify us if there is any change." ”

Next, I pulled Xu Rui to the corridor and twisted it for a long time, Xu Rui shook his hand and said, "Xiaochen, just say anything directly, don't mother-in-law." ”

"What's that...... Mary wanted to instruct me to study the traces. I took a deep breath and said, "She said that when the case is over, it will start, and it may take a hundred days." ”

"That's a good thing!" Xu Rui raised his hand and patted me on the shoulder, "It's a rare opportunity, seize it." Anyway, this golden leftover girl won't take a fancy to you, right? ”

"Well, it's not like that." I explained, "It has something to do with the big sister." ”

"Mary did often exchange experiences with Xiao He before, and she also competed a few times, but Xiao He won by finding the key clues first." Xu Rui nodded and said: "Cheng, it's decided, as soon as Feng Qiuhuang and Wan Qianxiong solve it, I will let you follow A0 back to the headquarters of the ninth game, then again, little rabbit cub, don't rely on not coming back when you arrive, if you dare to jump ship, Lao Tzu will go to the ninth game to kill you......"

"Don't worry, boss, A7 is like a brother and sister in my own family." I said with a smile.

"Mary Jeancha's anorectal department and mountain spring water will take a few hours to get results." Xu Rui thought about it and said: "She is indeed quite strong, she grabbed so many clues as soon as she went, and even the numbers of Feng Qiuhuang and Lu Qingkang flickered over." ”

I asked, "What are I going to do with the number?" ”

"I asked the technical department to check it." As soon as Xu Rui's voice fell, the mobile phone rang, and the caller was the technical department of the Ninth Bureau, pressing the speakerphone, we heard the technician say: "The first number is a black card, and the registration information of the second number is Lu Qingkang himself, and the two have recently contacted each other through nineteen phone calls and seven short messages." ”

There is really a problem with this Lu Qingkang!

I asked Xu Rui if he wanted to take action, Xu Rui shook his head and said not for the time being, after all, our goal is Feng Qiuhuang, this Lu Qingkang is just incidental, and putting a long line to catch big fish is the king, so just keep watching, if Feng Qiuhuang is caught in advance because of other clues, it will not be too late to catch Lu Qingkang.

I think it makes sense.

An hour later, Mary came with a few documents, she gave them all to us and introduced: "Three sets of fingerprints, one belongs to Tang Xiao, one belongs to Feng Qiuhuang, and the other group is indeed from Lu Qingkang." ”

What the?

In this hour's effort, all fingerprints have been compared? These are three groups, and the speed is fast enough, and if you change to another forensic officer, you won't be able to get down in two or three hours.

Mary's suggestion was consistent with what Xu Rui said before, release Lu Qingkang and not arrest him for the time being.

I finally knew why the big sister solved the case so quickly before, and Mary was able to grab Lu Qingkang's tail after a walk around the scene, not to mention the big sister who was stronger than her? The more I compare, the more I find that I am small, after this case is completed, I must seize the opportunity to learn from Mary, and she is not annoying, just a little tsundere.

Now the technical department is monitoring the numbers of Fengqiuhuang and Lu Qingkang, if there is a text message contact between the two, you can get the corresponding content, if it is a telephone exchange, the time is more than a few minutes, you can also find out the location of both parties.

Mary still had the eggs in the evidence bag that had not been tested, and when she turned around to leave the office, Xu Rui stopped her and said that she was not in a hurry, and that she would wash her hands and go to eat together. Mary glanced at Xu Rui, "No need, I don't want to waste my time on the road, just pack my share back." The team leader just took the violent bear with him, and made a statement in advance, he has a lot of food, don't be scared. ”

Xu Rui touched his nose and watched the other party's back disappear, he sighed: "As soon as I enter the state of handling the case, I can't move, I, Xu, am really convinced." ”

We took Storm Bear to the restaurant, at first the other party was a little embarrassed, and after Xu Rui said something to let him eat with an open stomach, Storm Bear stretched out his hand to pull the weak and petite waiter, startling her, and then Storm Bear said: "Seventeen dishes on this menu, one of the same, a large plate, plus a washbasin capacity of rice!" ”