Legal Columns

법률칼럼

다양한 분쟁을 해결할 수 있도록 법무법인 마중에서 법률 정보를 제공합니다.

법률칼럼Legal Insight2026. 05. 19

Drug offenses involving foreign nationals can lead not only to criminal punishment but also to visa cancellation and deportation.

  Did you know that a single mistake could bring your life in Korea to an abrupt end?   “I was only there, but I received a notice to leave Korea for drug charges...”   Even if a person insists they did not personally use drugs, being present at the scene can lead to being classified as involved in a drug-related case and subjected to investigation.   Because the foreign criminal procedure often leads directly to a residency qualification review — even before the charges are confirmed — deportation decisions are sometimes made faster than expected.   Moreover, even if drugs are not detected in one’s system, possession or circumstantial evidence can still result in prosecution, visa cancellation, or even an entry ban.   Ultimately, it is extremely difficult to handle both the investigation and deportation review alone.   In such situations, seeking assistance from a professional experienced in both criminal defense and immigration law provides practical and effective support.    

Contents

 
1. In drug-related cases involving foreign nationals, the outcome can vary depending on how the offense is discovered.
 
2. Even after the criminal trial for a foreign national’s drug case is over, the visa is not guaranteed.
 
3. Protecting your residency status can be more difficult than facing criminal punishment itself.
 
4. In conclusion, cases involving foreign nationals do not end with the investigation — they require continued action beyond it.
   

1. In drug-related cases involving foreign nationals, the outcome can vary depending on how the offense is discovered.

  Drug-related cases involving foreign nationals do not end simply with whether or not the person used drugs. The direction of the investigation and the severity of punishment can vary depending on where, with whom, and how the case was uncovered.   For example,
  • if drugs are found at an airport customs checkpoint, the charge may escalate from simple use to smuggling, significantly increasing the likelihood of prosecution.
  • Similarly, when multiple people are caught together in places such as clubs or accommodations, it is common for all foreign nationals present at the scene to be investigated as accomplices.
  • Moreover, even if a person did not directly use drugs, merely receiving or possessing them can lead to charges, and even a single instance of use is considered a serious offense that may result in imprisonment.
  After criminal sentencing, the Immigration Office conducts a separate deportation review.   Regardless of whether it was a first offense or resulted only in a fine, there are repeated cases where residency status is revoked and forced deportation follows.   Ultimately, every stage of a drug-related case — from the initial discovery to statements and final disposition — directly affects a foreign national’s right to stay in Korea.   Therefore, simple or passive responses make it extremely difficult to continue living in the country.    

2. Even after the criminal trial for a foreign national’s drug case is over, the visa is not guaranteed.

  When a foreign national is convicted in a drug-related case, a separate deportation review is conducted by the Immigration Office even after the court’s ruling.   Many foreigners mistakenly believe that the case is over once the trial ends, but in reality, their residency status is re-evaluated during this immigration review.   The deportation review process begins if any of the following apply:
  • A fine of 3 million KRW or more
  • Accumulated fines exceeding 5 million KRW within five years
  • A sentence of imprisonment or higher, including suspended sentences
  In most drug-related cases involving foreign nationals, these conditions are met.   If the individual fails to clearly explain the necessity of remaining in Korea or lacks supporting documents, their visa may be canceled, followed by an immediate deportation order.   After deportation, re-entry to Korea can be restricted for several years, and new visa applications submitted at overseas embassies or airports are often repeatedly denied.   Thus, even after the criminal sentence is finalized, the issue of residency remains unresolved.   It is important to understand that, in drug-related cases, the final decision on whether a person can continue living in Korea is effectively made during the immigration review process.    

3. Protecting your residency status can be more difficult than facing criminal punishment itself.

  Drug-related offenses are not resolved merely by reducing the sentence.   The way you respond during the early stages of investigation can directly affect whether you are able to maintain your residency status later on.   During the police investigation phase, it is crucial to understand what the investigators are focusing on. Since their main objective is often to trace the source or distribution route rather than just identifying users, providing clear and detailed explanations about how the drugs were obtained or through what means of contact can work in your favor.   Factors such as whether it was your first offense, your rehabilitation or treatment plans, and your commitment to preventing reoffending should be clearly stated in a written opinion (petition) so that the court can better understand your circumstances. Because it can be difficult to organize these matters alone, it is highly advisable to seek help from a legal representative.   In addition, you must prepare for immigration proceedings that follow criminal sentencing. This is not a simple petition process — you need to submit supporting documents and detailed explanations that justify your continued stay in Korea to avoid disadvantages during the deportation review.   Although the criminal and immigration procedures are handled separately, they are closely connected and influence each other.   Therefore, effective defense requires a combined strategy from the very beginning.   Working with a professional experienced in both criminal defense and immigration matters greatly increases the chances of actually preserving your right to stay in Korea.    

4. In conclusion, cases involving foreign nationals do not end with the investigation — they require continued action beyond it.

  As I mentioned earlier, drug-related cases involving foreign nationals do not end immediately after a criminal sentence is handed down.   Following the verdict, the Immigration Office conducts a separate review of residency status to determine whether the individual will be allowed to remain in Korea or be deported.   Because a single case is divided into two separate procedures — criminal and immigration — it is essential to establish a defense strategy from the very beginning that considers both sentence reduction and the possibility of maintaining residency.   To effectively preserve one’s right to stay, it is necessary to coordinate not only the manner of statements, contents of written opinions, and level of cooperation during the investigation, but also the preparation of supporting documents required for the deportation review.    
Multilingual consultation available in English and Chinese.   Professional interpreters assist from the first consultation to the conclusion of the case.   Offices in Seoul, Daejeon, Busan, Daegu, and Gwangju   Don’t face the legal system alone. Let Majung fight for you!        

상담 신청하기