Public Prosecutor v Tan Kiam Peng: Misuse of Drugs Act & Illegally Importing Heroin

In Public Prosecutor v Tan Kiam Peng, the High Court of Singapore convicted Tan Kiam Peng on 22 September 2006 for illegally importing heroin into Singapore on 18 August 2005. Tan was arrested at the Woodlands Checkpoint with heroin strapped to his body. The primary legal issue was whether Tan knew he was importing heroin. Justice Rajah found that Tan knew he was carrying heroin and sentenced him accordingly.

1. Case Overview

1.1 Court

High Court

1.2 Outcome

Conviction and sentencing in accordance with the Misuse of Drugs Act.

1.3 Case Type

Criminal

1.4 Judgment Type

Grounds of Decision

1.5 Jurisdiction

Singapore

1.6 Description

Tan Kiam Peng was convicted of illegally importing heroin into Singapore. The court found that he knew he was carrying heroin, despite his defense.

1.7 Decision Date

2. Parties and Outcomes

Party NameRoleTypeOutcomeOutcome TypeCounsels
Public ProsecutorProsecutionGovernment AgencyJudgment for ProsecutionWon
Christopher Ong Siu Jin of Deputy Public Prosecutors
Ong Luan Tze of Deputy Public Prosecutors
Tan Kiam PengAccusedIndividualConvictionLost

3. Judges

Judge NameTitleDelivered Judgment
V K RajahJudgeYes

4. Counsels

Counsel NameOrganization
Christopher Ong Siu JinDeputy Public Prosecutors
Ong Luan TzeDeputy Public Prosecutors
B RengarajooB Rengarajoo & Associates
Ong Peng BoonOng & Co

4. Facts

  1. Tan was arrested at Woodlands Checkpoint with heroin strapped to his body.
  2. Tan had prior financial problems and sought 'easy money' opportunities.
  3. Tan contacted 'Uncle' seeking drug transportation jobs.
  4. Uncle taped ten packets of yellow powder onto Tan’s body.
  5. The substance was identified as diamorphine (heroin), weighing 3.28829kg with 145g of pure heroin.
  6. Tan admitted he knew he was importing controlled drugs.
  7. Tan claimed he did not know he was carrying heroin.

5. Formal Citations

  1. Public Prosecutor v Tan Kiam Peng, CC 13/2006, [2006] SGHC 207

6. Timeline

DateEvent
Tan travelled to Kuala Lumpur to seek job opportunities.
Tan decided to join a gambling syndicate.
Tan called Uncle to inquire about job opportunities.
Tan travelled to Johor Bahru and met Uncle.
Tan returned to Johor Bahru again.
Tan travelled to Johor Bahru after being told by Uncle that there might be something for him to do.
Tan and Uncle met at a hotel room in Johor Bahru.
Tan was arrested at the Woodlands checkpoint.
Tan's residence was searched by CNB officers.
Tan was convicted of the charge.
Decision Date

7. Legal Issues

  1. Importing Controlled Drug
    • Outcome: The court found the accused guilty of importing a controlled drug.
    • Category: Substantive
    • Related Cases:
      • [1969] 2 AC 256
      • [1995] 2 SLR 424
      • [2006] 2 SLR 503
  2. Presumption of Knowledge
    • Outcome: The court held that the presumption of knowledge of the nature of the controlled drug applied and was not successfully rebutted by the accused.
    • Category: Substantive
    • Related Cases:
      • [1995] 2 SLR 424
      • [2006] 2 SLR 503
  3. Rebuttal of Presumption
    • Outcome: The court determined that the accused failed to rebut the presumption that he knew the nature of the drugs he was carrying.
    • Category: Substantive
    • Related Cases:
      • [1978-1979] SLR 211
      • [2006] 2 SLR 503

8. Remedies Sought

  1. Conviction
  2. Sentencing under the Misuse of Drugs Act

9. Cause of Actions

  • Illegally importing controlled drug

10. Practice Areas

  • Criminal Litigation

11. Industries

  • No industries specified

12. Cited Cases

Case NameCourtAffirmedCitationJurisdictionSignificance
Warner v Metropolitan Police CommissionerHouse of LordsYes[1969] 2 AC 256United KingdomCited as a key case on the issue of drug possession and knowledge, particularly regarding the mental element required for possession offences.
Ong Ah Chuan v PPPrivy CouncilYes[1980-1981] SLR 48SingaporeCited to support the constitutionality of evidential presumptions in drug trafficking cases, specifically regarding the presumption of trafficking based on the quantity of drugs possessed.
Ko Mun Cheung v PPCourt of AppealYes[1992] 2 SLR 87SingaporeCited for the definition of 'import' under the Interpretation Act in relation to the Misuse of Drugs Act.
Abdul Ra’uf bin Abdul Rahman v PPCourt of AppealYes[2000] 1 SLR 683SingaporeCited to clarify that trafficking in controlled drugs is not a strict liability offence and that the prosecution must prove the accused knew or intended to bring the drugs into Singapore.
PP v Hla WinHigh CourtYes[1995] 2 SLR 424SingaporeCited to establish that the burden of proving a lack of knowledge of the nature of the drug rests on the accused due to statutory presumptions.
Tan Ah Tee v PPCourt of AppealYes[1978-1979] SLR 211SingaporeCited to support the principle that the accused only needs to prove on a balance of probabilities that he was not conscious of importing controlled drugs or the nature of the drug.
Iwuchukwu Amara Tochi v PPCourt of AppealYes[2006] 2 SLR 503SingaporeCited to emphasize that the persuasive burden of proof lies on the accused to displace the presumption that he knew the actual nature of the drugs.
Baden, Delvaux and Lecuit v Société Generale pour Favoriser le Développement du Commerce et l’Industrie en France SAN/AYes[1983] BCLC 325N/ACited to discuss the five possible levels of knowledge, but ultimately rejected as not applicable to s 18(2) of the MDA.
Royal Brunei Airlines Sdn Bhd v Philip Tan Kok MingPrivy CouncilYes[1995] 2 AC 378N/ACited to show that the term 'knowingly' should be avoided and that the Baden scale of knowledge is best forgotten.
Bank of Credit and Commerce International (Overseas) Ltd v AkindeleEnglish Court of AppealYes[2001] Ch 437United KingdomCited to show that the Baden categorisation was accepted by the judge without argument because both counsel for the plaintiffs and the defendant agreed to it.
PP v Teo Ai NeeHigh CourtYes[1995] 2 SLR 69SingaporeCited to differentiate the statutory phrase 'where he knows or ought reasonably to know' from the more circumscribed state of mind under s 18(2) of the MDA.
Taylor’s Central Garages (Exeter) Ltd v RoperN/AYes[1951] 2 TLR 284N/ACited to support the principle that only the wilful shutting of one’s eyes to the obvious is legally and morally equivalent to actual knowledge.
Bank of New South Wales v PiperN/AYes[1897] 1 AC 383N/ACited to define the requisite mens rea as an honest and reasonable belief entertained by the accused of the existence of facts which, if true, would make the act charged against him innocent.
Wong Soon Lee v PPCourt of AppealYes[1999] SGCA 42SingaporeCited to argue that reliance on assurances regarding the nature of drugs without attempts to verify is not sufficient to rebut the presumption under s 18(2) of the MDA, but qualified as relevant only when it establishes knowledge or wilful blindness.
Yeo Choon Huat v PPCourt of AppealYes[1998] 1 SLR 217SingaporeCited to show that a failure to inspect may strongly disincline a court from believing an 'absence of knowledge' defence.
The Zamora No 2N/AYes[1921] 1 AC 801N/ACited for its analysis of knowledge, distinguishing between wilful ignorance and genuine ignorance.
Van Damme Johannes v PPCourt of AppealYes[1994] 1 SLR 246SingaporeCited to summarize the factors a court must consider when deciding whether the statutory presumption is rebutted, including assessing credibility, demeanor, and consistency of evidence.
Westminster City Council v Croyalgrange LtdN/AYes[1985] 1 All ER 740N/ACited to support the principle that 'knowingly' requires knowledge of each of the facts constituting the actus reus of the offence.
Vasavan Sathiadew v PPCourt of AppealYes[1992] SGCA 26SingaporeCited to show that procedural irregularities in recording statements do not automatically exclude them, but may affect their weight.
Roslan bin Sabu @ Omar v Pendakwa RayaMalaysian Court of AppealYes[2006] 4 AMR 772MalaysiaCited to show that a favorable inference should not automatically be drawn if an accused attempts to avoid arrest.

13. Applicable Rules

Rule Name
No applicable rules

14. Applicable Statutes

Statute NameJurisdiction
Misuse of Drugs Act (Cap 185, 2001 Rev Ed)Singapore
Section 7 Misuse of Drugs ActSingapore
Section 33 Misuse of Drugs ActSingapore
Section 18(1) Misuse of Drugs ActSingapore
Section 18(2) Misuse of Drugs ActSingapore
Section 17 Misuse of Drugs ActSingapore
Interpretation Act (Cap 1, 2002 Rev Ed)Singapore
Criminal Procedure Code (Cap 68, 1985 Rev Ed)Singapore
Penal Code (Cap 224, 1985 Rev Ed)Singapore

15. Key Terms and Keywords

15.1 Key Terms

  • Heroin
  • Diamorphine
  • Misuse of Drugs Act
  • Presumption of Knowledge
  • Importing Controlled Drug
  • Woodlands Checkpoint
  • Number 3
  • Wilful Blindness

15.2 Keywords

  • Heroin
  • Drug Trafficking
  • Singapore
  • Misuse of Drugs Act
  • Importation
  • Criminal Law

17. Areas of Law

16. Subjects

  • Criminal Law
  • Drug Trafficking
  • Statutory Interpretation