Xie Jingchen's harvest this time is not small.

The drug was found from Fang Ling's store, and the key person who checked the drug chain was also found.

"Beauty medicine" has been tested, but it is unrealistic to use it to bring down the entire drug industry chain.

Judging from the information that Xie Jingchen knows, this "beauty medicine" has hallucinogenic and addictive ingredients, which is more like a poison than a drug.

There are many drugs that are both poisons/drugs and drugs, such as narcotic drugs heroin, morphine, methadone, cocaine, etc., and psychotropic drugs caffeine, flavine, etc.

Narcotic drugs and psychotropic substances are collectively referred to as narcotic drugs.

On the one hand, it has the effect of analgesia and sedation and sleep aid, and is widely used in medicine. On the other hand, narcotic drugs are highly addictive and, if abused, have a serious impact on personal health and social stability.

It can be said that the key to characterizing this drug as a drug or a poison is the dosage.

The state has always been very strict in the control of narcotic drugs, but the production/drug trafficking and drug trafficking have been repeatedly banned due to their huge profits.

If Fang Ling can be characterized as a drug trafficker, then the entire drug chain will be treated as a big case and tried its best to investigate.

The problem is that it cannot be qualified.

Fang Ling's "beauty medicine" has a clear drug name approval, and Fang Ling also has prescription drug sales qualifications and medical qualification certificates.

In the case that the "beauty medicine" she sells is used in combination with antagonists and has no obvious side effects, no matter how much you check, she is only a "regular" drug sales.

Even if a purchaser shows side effects such as addiction or hallucinations, it can only be said to be an overdose.

In short, it is very difficult to start with Fang Ling.

And it is also difficult to grasp the handle from the drug development and drug production part.

The drug developer used to be Professor Pei Chengjing, and now Su Ye, both of whom specialize in drug research in Pharmaceutical University and are fully qualified for research.

The documents of the sales part are so complete, and the production part will definitely not be negligent, and the relevant documents should also be readily available.

However, even if the current "beauty medicine" documents are complete, the "reincarnation pills" sold before are not something that can get a certificate.

And bringing down the drug industry chain is not the focus of Xie Jingchen's investigation this time, his focus is two, one is to see if the murderer can be found through the drug chain, and the other is to find a way to touch the tail of RL along the drug chain.

Now, the next thing he has to do is to take the copied phone records and go to Wang Qing.

No, Wang Qing was summoned and asked to come to the police station for interrogation.

When Wang Qing received the summons, she was quite nervous. Because it was Xie Jingchen who called, Xie Jingchen knew about her cheating in marriage, and she had her handle in her hand, so she came quickly and did not hesitate at all.

"What? You said Fang Ling was stabbed?" Wang Qing was shocked by this. "It wasn't her husband who stabbed him, right? Could it be that her affair with Zhou Yang was discovered by her husband?"

Xie Jingchen explained to her again and said that Zhou Yang was also dead.

didn't tell her too much about the case, but only told her that she knew that she had bought the latest "beauty medicine" in Fang Ling's store, and hoped that she would provide her with a list of Fang Ling's customers.

Wang Qing only thought that she was going to investigate the suspect who killed Zhou Yang and stabbed Fang Ling, and was anxious to take herself out, so she provided the list she knew very cooperatively, and compared the address book of her mobile phone with the call record in Xie Jingchen's hand.

After comparing the call records, it was found that among the more than 30 different numbers displayed in the call records in Fang Ling's store, 22 were customers' mobile phones, which could match the numbers of customers.

In addition, there is an eight-digit phone with a three-digit front number, such as a landline.

Those landline phone numbers are not repeated, and they can't be reached in the past, so they are probably virtual numbers.

The virtual numbers of these fixed telephones, combined with the upper transfer and the like, are mostly used for fraudulent calls and sales calls, which has brought a lot of trouble to the investigation of telecommunications cases.

"In addition to the customers of these new products, do you know the list of customers of Fang Ling's previous products?" After comparing the phone records, Xie Jingchen asked.

"Her previous product? I haven't bought any of the products before, and I don't know much about them, so she should have a list of them."

Wang Qing's side is almost explained.

There is one more problem.

Xie Jingchen pulled up a photo of Lin Ruirui from his mobile phone, put it in front of Wang Qing, and asked, "Do you know this person?"

Wang Qing took his mobile phone over and looked at it carefully.

"This...... It seems a little familiar......" Wang Qing was not sure, "I may have seen her, but I don't remember much." Let me think about ......."

Wang Qing thought about it carefully, if she had seen such a beautiful girl, she should have an impression......

"Oh, I remember! When I went to my little sister's house to play mahjong, I seemed to have seen it at her house!"

"Really?" Xie Jingchen was also surprised.

Through the previous investigation, Xie Jingchen suspected that Lin Ruirui was also related to the sales of the drug chain, so she wanted to test whether there would be any overlap between the people she knew and Fang Ling's customers.

I didn't expect there to be a real windfall.

"Really? When? Who's in it?"

Wang Qing recalled it, and could only give an approximate point in time.

"It's been over a year...... I must have seen it at my little sister Qian Rongfang's house...... I'll give you her phone number." Wang Qing brought the paper with the phone number and name to her side and pointed it out to Xie Jingchen.

"That's it, why don't you go to her house and ask?" That's all I remember."

After honestly explaining, Wang Qing was let back. After Wang Qing left, Xie Jingchen found out the one named Qian Rongfang.

Qian Rongfang, female, 32 years old, husband Luo Yuan, has two daughters and a son, and the son is just two years old this year.

found out the person, Xie Jingchen called Qian Rongfang at that time to do the call.

After the phone was connected, it rang two or three times and it was connected.

"Hey? Which one? What's the matter?"

The female voice sounded like she was in a good mood.

"Is it Qian Rongfang? This is the K City Public Security Bureau, there is a case that needs your cooperation, do you know Lin Ruirui?"

When the female voice heard the name Lin Ruirui, she was obviously stuck.

It seemed that after thinking about it, he replied, "I don't know." What's wrong with this person? What case? What does it have to do with me?"

"Lin Ruirui has been murdered. Now everyone associated with her is suspicious. We heard that the witnesses said that they had seen Lin Ruirui in your home, so you and your husband are also suspects.

Please also tell the truth and help the police find the suspect."

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Eighty-three Substance Abuse Free Reading.