Pham Duyen Quyen v Public Prosecutor: Importation of Methamphetamine under the Misuse of Drugs Act

In Pham Duyen Quyen v Public Prosecutor, the Court of Appeal of Singapore heard an appeal by Pham Duyen Quyen against her conviction and sentence for importing methamphetamine under the Misuse of Drugs Act. The court considered whether the presumption of possession under s 18(1) of the MDA applied and whether the Appellant had rebutted the presumptions of possession and knowledge. The court dismissed the appeal, affirming the conviction and sentence.

1. Case Overview

1.1 Court

Court of Appeal of the Republic of Singapore

1.2 Outcome

Appeal dismissed against conviction and sentence.

1.3 Case Type

Criminal

1.4 Judgment Type

Grounds of Decision

1.5 Jurisdiction

Singapore

1.6 Description

Pham Duyen Quyen appeals her conviction for importing methamphetamine. The court examines presumptions of possession and knowledge under the Misuse of Drugs Act.

1.7 Decision Date

2. Parties and Outcomes

Party NameRoleTypeOutcomeOutcome TypeCounsels
Public ProsecutorRespondentGovernment AgencyConviction and Sentence AffirmedWon
Anandan Bala of Attorney-General’s Chambers
Rajiv Rai of Attorney-General’s Chambers
Esther Tang of Attorney-General’s Chambers
Pham Duyen QuyenAppellantIndividualAppeal DismissedLost

3. Judges

Judge NameTitleDelivered Judgment
Sundaresh MenonChief JusticeNo
Judith PrakashJudge of AppealNo
Tay Yong KwangJudge of AppealYes

4. Counsels

Counsel NameOrganization
Anandan BalaAttorney-General’s Chambers
Rajiv RaiAttorney-General’s Chambers
Esther TangAttorney-General’s Chambers

4. Facts

  1. The Appellant, a Vietnamese woman, was arrested for importing methamphetamine into Singapore.
  2. The drugs were found concealed in the side panels of the Appellant's luggage.
  3. The Appellant claimed she did not know the drugs were in her luggage.
  4. The luggage tag was issued to the Appellant at the New Delhi airport.
  5. The weight of the luggage at check-in was 21kg, including the drugs.
  6. The Appellant changed her flight itinerary to include Laos and Cambodia.
  7. The Appellant claimed she bought the luggage on the way to the airport after her backpack broke.

5. Formal Citations

  1. Pham Duyen Quyen v Public Prosecutor, Criminal Appeal No 27 of 2016, [2017] SGCA 39

6. Timeline

DateEvent
Appellant imported drugs into Singapore.
Appellant arrested.
Criminal Appeal No 27 of 2016 filed.
Arguments heard in Court of Appeal.
Grounds of Decision delivered.

7. Legal Issues

  1. Importation of Controlled Drugs
    • Outcome: The court held that the element of importation was satisfied when the drugs entered Singapore. The court also found that the presumption of possession under s 18(1) of the MDA applied.
    • Category: Substantive
    • Related Cases:
      • [2013] 3 SLR 1052
      • [1993] 3 SLR(R) 694
  2. Presumption of Possession
    • Outcome: The court held that the presumption of possession under s 18(1) of the MDA applied because the Appellant had legal possession of the luggage by virtue of the luggage tag.
    • Category: Substantive
    • Related Cases:
      • [1993] 3 SLR(R) 694
      • [1994] 3 SLR(R) 401
      • [2008] 1 SLR(R) 1
      • [1979–1980] SLR(R) 311
  3. Rebuttal of Presumption of Possession
    • Outcome: The court held that the Appellant failed to rebut the presumption of possession under s 18(1) of the MDA because she was unable to prove that she did not know the luggage contained drugs.
    • Category: Substantive
  4. Presumption of Knowledge
    • Outcome: The court held that the Appellant failed to rebut the presumption of knowledge under s 18(2) of the MDA because she adduced no evidence pertaining to lack of knowledge about the nature of the drugs.
    • Category: Substantive
    • Related Cases:
      • [2017] SGCA 12
  5. Sentencing for Drug Offences
    • Outcome: The court held that the sentence imposed by the Judge was not manifestly excessive, considering the quantity of drugs involved and the mitigating factors.
    • Category: Procedural
    • Related Cases:
      • [2015] 5 SLR 122
      • [2017] SGCA 25
      • [2015] 5 SLR 500

8. Remedies Sought

  1. Appeal against conviction
  2. Appeal against sentence

9. Cause of Actions

  • Importation of controlled drugs

10. Practice Areas

  • Criminal Law
  • Drug Offences
  • Appeals

11. Industries

  • Law Enforcement
  • Aviation

12. Cited Cases

Case NameCourtAffirmedCitationJurisdictionSignificance
Public Prosecutor v Adnan bin KadirCourt of AppealYes[2013] 3 SLR 1052SingaporeCited for the definition of 'import' under s 7 of the Misuse of Drugs Act.
Van Damme Johannes v Public ProsecutorCourt of AppealYes[1993] 3 SLR(R) 694SingaporeCited for the application of the presumption of possession under s 18(1) of the Misuse of Drugs Act in cases involving checked luggage.
Ubaka Chris Chinenye v Public ProsecutorCourt of AppealYes[1994] 3 SLR(R) 401SingaporeCited for the interpretation of Van Damme Johannes v Public Prosecutor regarding possession of luggage in transit.
Tan Kiam Peng v Public ProsecutorCourt of AppealYes[2008] 1 SLR(R) 1SingaporeCited for the concept of 'possession' in s 18(1) of the MDA and its relation to physical possession.
Tan Ah Tee and another v Public ProsecutorCourt of AppealYes[1979–1980] SLR(R) 311SingaporeCited for the interpretation of 'possession' based on Warner v Metropolitan Police Commissioner.
Warner v Metropolitan Police CommissionerHouse of LordsYes[1969] 2 AC 256United KingdomCited for the interpretation of 'possession' in drug-related offences.
Fun Seong Cheng v Public ProsecutorCourt of AppealYes[1997] 2 SLR(R) 796SingaporeCited for the consistent application of the meaning of 'possession' as adopted in Tan Ah Tee.
Obeng Comfort v Public ProsecutorCourt of AppealYes[2017] SGCA 12SingaporeCited for the operation of the presumption of knowledge under s 18(2) of the MDA.
Vasentha d/o Joseph v Public ProsecutorCourt of AppealYes[2015] 5 SLR 122SingaporeCited for the principle that the quantity of drugs has a strong bearing on the sentence imposed.
Suventher Shanmugam v Public ProsecutorCourt of AppealYes[2017] SGCA 25SingaporeCited for the principle that the reduction of a charge from capital to non-capital is not relevant for sentencing purposes.
Loo Pei Xiang Alan v Public ProsecutorCourt of AppealYes[2015] 5 SLR 500SingaporeCited for the methodology of deriving a conversion scale between diamorphine and methamphetamine for sentencing purposes.

13. Applicable Rules

Rule Name
No applicable rules

14. Applicable Statutes

Statute NameJurisdiction
Misuse of Drugs Act (Cap 185, 2008 Rev Ed) s 7Singapore
Misuse of Drugs Act (Cap 185, 2008 Rev Ed) s 18(1)Singapore
Misuse of Drugs Act (Cap 185, 2008 Rev Ed) s 18(2)Singapore
Misuse of Drugs Act (Cap 185, 2008 Rev Ed) s 33(1)Singapore
Criminal Procedure Code (Cap 68, 2012 Rev Ed) s 325(1)(a)Singapore
Interpretation Act (Cap 1, 2002 Rev Ed) s 2(1)Singapore

15. Key Terms and Keywords

15.1 Key Terms

  • Methamphetamine
  • Importation
  • Presumption of possession
  • Presumption of knowledge
  • Luggage tag
  • Transit
  • Reasonable doubt

15.2 Keywords

  • Drug Importation
  • Methamphetamine
  • Singapore
  • Criminal Law
  • Misuse of Drugs Act
  • Presumption of Possession
  • Presumption of Knowledge

17. Areas of Law

16. Subjects

  • Criminal Law
  • Drug Trafficking
  • Importation of Drugs