With the rapid development of information network technology, the investigation and handling of drug crime cases are increasingly dependent on electronic data. EspeciallyNowadays, the trend of drug crime is obvious, the concealment is stronger, and the electronic data forensics is more indispensable. Drugs
So what types of electronic data should be collected, and how can this electronic data be used to effectively combat drug crime? Hurry up and enter this issue of "Knowledge Source Universe" with Yuan Mei,*The use of electronic data in drug crime cases.
In the course of drug criminal activities, criminals must be found in their mobile phones, computers and other communication devicesLeaving behind some electronic data related to criminal acts.
Call logs
In the inspection, inspection, bargaining, trading, mailing, pick-up and other drug transaction nodesCriminals go up and down their homes and other people involvedCalls between you will be relatively frequent. Call logs are mainly recorded accordinglyCall frequency, time, and duration.
Chat history
Mobile phone text message records, chat records and email records of communication tools such as WeChat or QQTo a large extent, it can confirm the details and specific details of the communication and liaison between drug criminals and others, as well as the criminal activities of drug drugs.
Network connection logging
The name and time of the wireless network that the mobile phone or computer has been connected to, the MAC address of the router, and the IP address of the networketc., it can assist in locating the address of drug criminals, so as to restore some key nodes.
Transactions, transfers, logistics records
Including:Transfer records on mobile banking, WeChat, Alipay and other platforms, as wellE-commerce platform transaction records and logistics information. Criminals sell drugs, raw materials for drug production, drug production tools, etc. through e-commerce platforms, and the platform server will record the information of each transaction in detail, including the information of both parties to the transaction, transaction time, receipt and delivery time, transfer records, logistics information, etc.
Additional Information
Criminals passedMoments, Douyin, Weibo, blogs, post bars, network disks, and network chat roomsand other information related to drug criminal activities and registration and login information, etc., will be left accordinglyText, Voice, registrant identity, login IPand other information.
Collecting and fixing evidence is only the first stepProper understanding and use of electronic dataIt is the key to cracking down on online drug trafficking crimes.
Lock down the real identity of the suspect
Through the suspect's WeChat, QQ and other instant network communication tools, as well as mobile phone call recordsInformation about the person involved in the part of the case, combined with the confessions of co-defendants and witnesses and other traditional documentary evidenceDiscover the specific connections and identities between the communicators involved in the case, lock the contact process and communication content, and dig deep into the communication between the upper and lower families, so as to confirm the objective connection between the criminal suspect in the case and the facts of the crime.
Strengthen the verification of details of conviction and sentencing
In view of the relatively heavy statutory penalties for drug crimes, most of the suspects are well aware of them, so they are often in the course of interrogationIntentional denialSuch as:The type of drug, its weight, **and other important factors influencing sentencing.
In such cases, it should be doneChat records, payment records, and bank statements in electronic data involving the transaction between the two partiesAt the time of the seizure, there was evidence such as simultaneous audio and video recordings, weighing videos, etc., and then combined with relevant documentary evidence to comprehensively confirm them, so as to resolve the issue of determining the details of sentencing.
Verify the spatiotemporal trajectory of drug trade
JustElectronic data such as mobile phone base station information, call records, big data monitoring**Combined with the criminal suspect's confession materials, the time, place, personnel, and process of the transaction are compared and grouped, and the case and transaction process are fully restored, so as to obtain clear, complete, and sufficient evidence.
Helping to break through the "zero confession" case
In the face of the case of "zero confession", it must be passedCross-collation of electronic data and traditional evidence, so that there is an exclusive connection between the facts of drug crimes and criminal suspects.
At the same time,Draw a coordinate map with time and objective evidence, so that a chain is formed between evidence and evidenceand work together to build a rigorous and complete objective evidence system, so as to break through the barrier of "zero confession" and find out the truth.
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Part of the content**:
1] Chen Haiyang. The issue of electronic evidence in online drug-related cases[N].China Anti-Drug News. 2022.
2] Liang Dongbo, Zhang Lei. Key Points for the Review of Electronic Data Evidence for Drug Crimes[N].Procuratorial**. 2023.