Case Details
- Title: Dzulkarnain Bin Khamis v PUBLIC PROSECUTOR
- Citation: [2023] SGCA 14
- Court: Court of Appeal of the Republic of Singapore
- Date of Decision: 27 April 2023
- Procedural Dates Noted: Hearing of appeals and motion: 19 January 2023
- Judges: Sundaresh Menon CJ, Judith Prakash JCA and Steven Chong JCA
- Appellant(s): Dzulkarnain bin Khamis
- Appellant(s): Sanjay Krishnan
- Respondent: Public Prosecutor
- Criminal Appeals: Criminal Appeal No 30 of 2020 (Dzulkarnain)
- Criminal Appeals: Criminal Appeal No 32 of 2020 (Sanjay)
- Criminal Motion: Criminal Motion No 23 of 2022 (Sanjay)
- Legal Area(s): Criminal Law; Statutory offences; Misuse of Drugs Act; Criminal Procedure and Sentencing; Appeal; Adducing fresh evidence
- Statutory Framework (as reflected in the extract): Misuse of Drugs Act (Cap 185, 2008 Rev Ed) (“MDA”); Criminal Procedure Code (Cap 68, 2012 Rev Ed) (“CPC”)
- Core Charges: Possession of not less than 2375.1g of cannabis (capital charges under s 5(1)(a) of the MDA; and for Sanjay, s 5(1)(a) read with s 5(2))
- Earlier/Related Charges: Trafficking of 2329.1g of cannabis mixture (stood down following Saravanan Chandaram)
- Key Sentencing Outcome: Dzulkarnain: life imprisonment (alternative to death) due to issuance of a certificate of substantive assistance (“CSA”); no caning because above 50. Sanjay: mandatory death sentence (no CSA)
- Fresh Evidence Sought: Sanjay’s own account of the location of a duffel bag containing drug exhibits, to challenge chain of custody
- Length of Judgment: 55 pages; 16,401 words
- Cases Cited (as provided): [2021] SGHC 48; [2022] SGCA 21; [2023] SGCA 14
- Lower Court Decision Referenced: Public Prosecutor v Dzulkarnain bin Khamis and another [2021] SGHC 48 (“GD”)
- Earlier Court of Appeal Decision Referenced: Saravanan Chandaram v Public Prosecutor and another matter [2020] 2 SLR 95 (“Saravanan Chandaram”)
Summary
In Dzulkarnain bin Khamis v Public Prosecutor ([2023] SGCA 14), the Court of Appeal dismissed two criminal appeals and a related criminal motion arising from the appellants’ convictions for capital drug offences under the Misuse of Drugs Act (MDA). Both appellants were convicted in a joint trial involving the possession of not less than 2375.1g of cannabis. The Court upheld the High Court judge’s findings on the appellants’ participation in the drug transaction and the admissibility and reliability of the evidence relied upon at trial.
The appeals turned on issues of factual inference and procedural fairness. Dzulkarnain challenged the judge’s finding that the box containing the drugs collected by Sanjay was the same box that Dzulkarnain had left at the relevant drop-off location. Sanjay advanced multiple grounds: alleged reliance on inadmissible statements, criticism of the Prosecution’s case theory as inconsistent, and an argument that the judge erred in concluding that he failed to rebut the presumption under s 18(2) of the MDA. In parallel, Sanjay sought leave to adduce fresh evidence to challenge the chain of custody of the drug exhibits. The Court of Appeal rejected all challenges and affirmed both convictions and sentences.
What Were the Facts of This Case?
The events began on 23 February 2015. Dzulkarnain drove a van to a bus stop near Tuas Checkpoint, where he collected a brown box (the “Brown Box”). Later that day, he drove to Lorong 21 Geylang and then to Lorong 37 Geylang. During the surveillance, CNB officers tailed the van in two phases: an initial team lost sight of the van, and a second team continued the tail as Dzulkarnain proceeded to the relevant location.
At Lorong 37, CNB officers observed Dzulkarnain place the Brown Box behind a green dustbin marked with the number “14” (the “Green Bin”), which was located next to No 14 Lorong 37 (the “drop-off point”). After Dzulkarnain drove away, Sanjay arrived at Lorong 37 about five minutes later. Sanjay stopped beside the Green Bin, alighted from his car, and retrieved a brown box from behind the Green Bin. This retrieved box was later referred to as the “SKP Box”. Sanjay then returned to his car and drove off.
Sanjay was apprehended by CNB officers around 4.35pm near Lorong 36 Geylang. Shortly thereafter, around 4.40pm, Dzulkarnain was arrested at an Esso petrol kiosk. The arrest sequence mattered because it shaped the evidence of possession and the chain of custody of the drug exhibits. After Sanjay’s arrest, officers conducted a body search and searched Sanjay’s car at a multi-storey carpark at Block 56A Cassia Crescent (“MSCP”). Among the exhibits retrieved were the SKP Box containing five bundles of vegetable matter which, after analysis by the Health Sciences Authority, were found to contain not less than 2375.1g of cannabis and 2329.1g of cannabinol and tetrahydrocannabinol.
Before the SKP Box was opened, Sanjay was asked about its contents. The record reflected that he shrugged and did not verbalise an answer. Officers then opened the SKP Box by tearing away masking tape and removed the bundles. Each bundle was packed and sealed into separate polymer bags, and the seized drug exhibits were placed into a green duffel bag (the “duffel bag”). Later, between about 7.45pm and 8.30pm, a contemporaneous statement was recorded from Sanjay under s 22 of the CPC. In that contemporaneous statement, Sanjay said he did not know what the SKP Box contained.
In addition to the contemporaneous statement, multiple other statements were recorded from Sanjay during investigations. The extract highlights that Sanjay’s accounts evolved. In a cautioned statement recorded on 24 February 2015, he said he believed the SKP Box contained “illegal cigarettes” based on what he had been told by someone he referred to as “Malaysia Boy”. He did not sign that cautioned statement, but the trial judge was satisfied it was an accurate record of what he told the investigating officer. In a later long statement recorded on 8 March 2015, Sanjay departed from his earlier account and said he had been told by “Boy Lai” to take delivery of collectors’ hunting knives and that there “may also be contraband … cigarettes”. This shift in narrative became relevant to the judge’s assessment of credibility and to the operation of the statutory presumption under the MDA.
As for Dzulkarnain, after his arrest CNB officers searched him and his van, seizing, among other items, a handphone later marked “DBK-HP1”. Dzulkarnain was served the Mandatory Death Penalty Notice and provided an MDP statement in which he said he did not know what the Brown Box contained, believed it likely contained cigarettes, and stated that he was paid $250 to collect and deliver the Brown Box. A contemporaneous statement under s 22 of the CPC was also recorded from him, maintaining his position that he did not know the contents of the Brown Box.
What Were the Key Legal Issues?
The first set of issues concerned whether the evidence established, beyond reasonable doubt, the appellants’ respective involvement in the drug offence charged. For Dzulkarnain, the central factual challenge was evidential: he argued that the judge erred in finding that the box containing the drugs (retrieved by Sanjay) was the same box that Dzulkarnain had left at the drop-off point. This required the Court to consider whether the inference drawn from surveillance observations and the subsequent retrieval of the box was properly made.
For Sanjay, the legal issues were both procedural and substantive. Procedurally, he contended that the judge relied on statements that were not admissible when making findings. Substantively, he argued that the Prosecution’s case theory was not unified but consisted of inconsistent and incompatible parts, thereby prejudicing his defence. Finally, he challenged the judge’s conclusion that he failed to rebut the presumption under s 18(2) of the MDA, which relates to knowledge of the nature of the drugs in certain circumstances.
In the criminal motion, Sanjay sought to adduce fresh evidence. The proposed evidence was his own account of the location of a duffel bag containing the drug exhibits seized from him. He argued that this would contradict the testimony of a CNB officer concerning his custody over the duffel bag and was therefore material to whether the chain of custody of the drug exhibits had been satisfactorily established. The Court had to decide whether the fresh evidence met the threshold for admission and whether it could realistically affect the outcome.
How Did the Court Analyse the Issues?
The Court of Appeal began by situating the case within the statutory structure of capital drug offences under the MDA and the evidential framework used at trial. The extract indicates that the appellants were initially charged with a trafficking offence involving 2329.1g of cannabis mixture, but those charges were stood down following Saravanan Chandaram v Public Prosecutor (as referenced in the extract). This meant the trial proceeded on the capital possession charges pressed against each appellant, with the legal consequences for sentencing depending on whether a certificate of substantive assistance (CSA) was issued.
On Dzulkarnain’s appeal, the Court addressed the challenge to the identification of the relevant box. The surveillance evidence showed that Dzulkarnain placed the Brown Box behind the Green Bin at the drop-off point, and shortly thereafter Sanjay retrieved a brown box from the same location. The Court upheld the judge’s finding that the retrieved box was the same box left by Dzulkarnain. In doing so, the Court implicitly endorsed the trial judge’s approach to drawing inferences from the temporal and spatial proximity of the actions observed by CNB officers, and from the continuity of the narrative linking the drop-off to the subsequent retrieval.
For Sanjay, the Court’s analysis addressed multiple grounds. First, it dealt with the allegation that the judge relied on inadmissible statements. The Court’s dismissal of the appeal indicates that it found either that the statements were admissible for the purposes used at trial, or that even if there were concerns, they did not undermine the judge’s ultimate findings on the material issues. In such cases, appellate courts typically examine whether the trial judge’s reasoning depended on the contested evidence in a way that could have affected the verdict, and whether the remaining evidence was sufficient to sustain the conviction.
Second, the Court considered the argument that the Prosecution’s case theory was inconsistent and incompatible, allegedly prejudicing the defence. The Court’s rejection suggests that the Court did not accept that the Prosecution’s narrative was so internally inconsistent as to render the trial unfair. Rather, the Court likely treated the evolution in Sanjay’s statements as part of the evidential landscape that the trial judge could assess for credibility and reliability, rather than as a structural defect in the Prosecution’s case theory.
Third, the Court addressed the statutory presumption under s 18(2) of the MDA. The presumption operates to place an evidential burden on the accused to rebut knowledge of the nature of the drugs. Sanjay argued that the judge erred in concluding he failed to rebut the presumption. The Court upheld the judge’s conclusion, which indicates that it found Sanjay’s explanations insufficient to raise a reasonable doubt as to knowledge. The extract’s emphasis on Sanjay’s shifting accounts—initially claiming belief based on “Malaysia Boy”, later introducing “Boy Lai” and collectors’ hunting knives, and also maintaining in the contemporaneous statement that he did not know what the SKP Box contained—would have been central to the credibility assessment. The Court likely agreed that these inconsistencies undermined the plausibility of Sanjay’s claimed lack of knowledge.
Finally, the Court dealt with the criminal motion to adduce fresh evidence. The proposed evidence was Sanjay’s own account of the location of the duffel bag containing drug exhibits, intended to contradict a CNB officer’s testimony about custody. The Court dismissed the application in CM 23. While the extract does not provide the detailed reasoning, the dismissal indicates that the Court was not satisfied that the evidence met the requirements for admission (for example, that it was credible, material, and could not reasonably have been adduced at trial). It also suggests that the Court concluded the fresh evidence would not likely have altered the outcome, either because the chain of custody was already satisfactorily established on the existing record, or because the new account did not meaningfully undermine the prosecution’s evidence.
What Was the Outcome?
The Court of Appeal dismissed Sanjay’s application in Criminal Motion No 23 of 2022 and dismissed both appeals (CCA 30 and CCA 32). It upheld the High Court judge’s convictions of both appellants on the charges pressed against them. The Court also upheld the sentences imposed by the judge.
Practically, Dzulkarnain received life imprisonment as the alternative to the mandatory death penalty because the Prosecution issued him a certificate of substantive assistance (CSA). Since he was above 50 years of age, he was not liable to caning. Sanjay, who did not receive a CSA, remained subject to the mandatory death sentence.
Why Does This Case Matter?
This decision is significant for practitioners because it reaffirms the appellate approach to capital MDA cases where convictions rest on a combination of surveillance evidence, the accused’s statements, and the operation of statutory presumptions. The Court’s endorsement of the trial judge’s inference linking the Brown Box left at the drop-off point to the SKP Box retrieved by Sanjay is a reminder that courts may draw robust conclusions from closely timed and geographically connected observations, even where the defence disputes identity.
For defence counsel, the case underscores the importance of addressing the evidential burden under s 18(2) of the MDA. The Court’s rejection of Sanjay’s argument that he rebutted the presumption indicates that inconsistent accounts and credibility problems will likely be fatal. Where an accused’s narrative evolves across statements, appellate courts will generally defer to the trial judge’s assessment unless there is a clear error or a material evidential gap.
For prosecutors and investigators, the case also illustrates the evidential weight given to chain of custody and the handling of drug exhibits, but it also shows the limits of post-trial attempts to reopen factual findings through fresh evidence. The dismissal of CM 23 suggests that courts will scrutinise whether the proposed evidence is truly material and whether it could have been obtained and adduced at trial, particularly when it is based on the accused’s own account.
Legislation Referenced
- Misuse of Drugs Act (Cap 185, 2008 Rev Ed), in particular:
- Section 5(1)(a)
- Section 5(2)
- Section 18(2)
- Section 33B(2)(a)
- Criminal Procedure Code (Cap 68, 2012 Rev Ed), in particular:
- Section 22
Cases Cited
- Public Prosecutor v Dzulkarnain bin Khamis and another [2021] SGHC 48
- Saravanan Chandaram v Public Prosecutor and another matter [2020] 2 SLR 95
- Dzulkarnain bin Khamis v Public Prosecutor and anor [2023] SGCA 14
- Cases cited as provided in metadata: [2022] SGCA 21; [2023] SGCA 14
Source Documents
This article analyses [2023] SGCA 14 for legal research and educational purposes. It does not constitute legal advice. Readers should consult the full judgment for the Court's complete reasoning.