The old lady was delighted by Lu Cheng's coaxing and took Qin An Ning's candy again.

He raised his eyelids and said, “Seeing that you two are quite thoughtful, I will tell you what I know.

I can't guarantee that this is the person you're looking for."

Qin Anning quickly grabbed a few more candies and handed them over, "Of course, Auntie, just tell us. Whether it's true or not, we won't blame you."

The old lady happily put the candy in her pocket, looked around, and whispered, "I saw a man similar to the one you described buying milk powder at the black market yesterday."

Lu Cheng and Qin An Ning looked at each other with bright eyes. How come they didn’t think of it?

This is also a clue.

The two said goodbye to the aunt, and Lu Cheng rode his bike west with Qin An Ning.

Soon it turned into a small alley, turned a few more corners, and stopped in front of a house.

"You don't have to say anything later, just watch me."

Qin Anning nodded obediently.

Could it be that this guy brought her to the home of the black market boss?

Lu Cheng knocked on the door, "Is Sixth Brother home?"

After a while, footsteps were heard from inside and the door was opened a crack. It was Lu Cheng, who looked at Qin An Ning with scrutiny.

Lu Cheng moved sideways to block Qin Anning, "This is my friend."

The man opened the door and said, "Come in."

Lu Cheng parked his bicycle in the yard, followed the man through the house, and walked out the back door.

Then we went to the house across the alley.

Qin An Ning admired in his heart that this person was so cautious that he was almost as cautious as the underground party members.

This is a single-family courtyard with five brick and tile houses and a wing room inside the courtyard.

The ground is paved with bluestone slabs and the yard is very clean.

A short middle-aged man came over and shook hands with Lu Cheng with a smile, "Brother Lu, what brings you here?"

"Why, can't I come and see Sixth Brother?"

"Hahaha, yes, of course, Brother Lu is always welcome here."

The Sixth Brother welcomed them both into the house and ordered someone to serve hot tea. "Brother Lu, please try it and see if this tea is to your liking."

"Sixth brother, you're joking. I'm just a rough guy. Any good tea I make is like a cow chewing a peony."

The two exchanged pleasantries, and Lu Cheng spoke first, "Sixth brother, I came here today to ask you for something."

"Hey, brother Lu, what are you talking about? We are brothers. If you have anything to ask, just tell me directly. I will definitely not refuse if I can do it."

Qin An Ning pondered over these words. He would not refuse if it was something he could do, but wasn't it his decision whether it could be done or not?

Tsk tsk, he is really cunning, it’s like he didn’t say anything.

"Look, I'm looking for the man who bought milk powder on the black market yesterday. He's about 1.7 meters tall and thin."

Although there is no specific appearance, there are not many people who come to buy milk powder at this time, so this is still easy to check.

The Sixth Brother laughed, "I wonder why Brother Lu is looking for this person?

You also know the rules of the black market.

If we receive money, we will not disclose other people’s information casually.”

Lu Cheng picked up the teacup, blew on it, took a sip, and then replied, "I won't hide it from you, Sixth Brother. This man bought a child from our village, and the police are investigating."

The Sixth Brother's expression changed, and his smiling eyes immediately became sharp, "Brother, you didn't lie to me?"

People in their line of work are most reluctant to deal with the public.

If this is true, the police will come sooner or later.

"Do I need to lie to you about this?"

The Sixth Brother's expression changed again. He lowered his eyes and thought for a while, "Brother, apart from my sect, you didn't get the news from me."

Lu Cheng smiled, "Of course."

Sixth Brother called someone over and whispered a few words to him, and the person ran out.

The three of them sat in the room drinking tea. Qin An Ning said nothing and just listened to Lu Cheng and the sixth brother chatting about this and that.

About half an hour later, the person who went out first brought back another person.

"Sixth brother, that's the one Skinny Monkey received."

Sixth Brother had a stern face and stared at the skinny monkey. "Do you know the details of the man you bought milk powder from yesterday?"

The skinny monkey didn't know what was going on. He was so scared that sweat broke out on his forehead and his legs were shaking.

I thought something big had happened, so I quickly told him everything.

"That man came to sell game once, and two days ago he came again to sell a wild ginseng. He didn't say where he was from, but I guess he was from Lin County.

Yesterday he came over to buy a bag of milk powder, and that was the extent of my interaction with him."

Lu Cheng asked, "Why do you guess he's from Lin County?"

Skinny Monkey glanced at Sixth Brother before answering, "Although we all speak with the same accent, if you listen carefully, you'll find that different places call things differently.

It's that yo-yo car, which people in Lin County usually call a yo-yo car.

The three strange things in Northeast China are: the first is that the windows are papered on the outside, the second is that the girl is smoking a big pipe, and the third is that she keeps a child hanging up. The picture shows a yo-yo car to coax the child.

I just overheard him say that, so I guessed it."

Lu Cheng nodded and asked, "What does he look like? What are his characteristics?"

"He's not tall, quite thin, with a hooked nose, a long face, and eyes that are neither big nor small. There's a mole the size of half a mung bean above the end of his right eye."

There was no other news, so the two stood up and said goodbye.

Sixth brother walked him to the door, "Brother Lu!"

"Don't worry, Sixth Brother, I know what to do."

After coming out, Qin An Ning couldn't help but ask, "Are you familiar with that Sixth Brother?"

Lu Cheng shook his head. "We're not that familiar with each other. He's involved in the black market, and we're a transport team. We're more or less involved in private matters."

Qin Anning poked him, leaned in close and asked in a low voice, "Have you also..."

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