Mokbel v The King

Case [2025] VSCA 243


SUPREME COURT OF VICTORIA

COURT OF APPEAL

S EAPCR 2020 0180
S EAPCR 2025 0045
S EAPCR 2025 0065
ANTONIOS MOKBEL Applicant
v
THE KING Respondent

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JUDGES: McLEISH, KENNEDY and KAYE JJA
WHERE HELD: Melbourne
DATE OF HEARING: 2–4 September 2025 
DATE OF JUDGMENT: 3 October 2025
MEDIUM NEUTRAL CITATION: [2025] VSCA 243
JUDGMENT APPEALED FROM: DPP v Mokbel (Supreme Court of Victoria, 18 April 2011) (Conviction); [2012] VSC 255 (Whelan J) (Sentence); Mokbel v The King [2024] VSC 725 (Fullerton J) (Reference Determination)

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CRIMINAL LAW – Appeal – Conviction – Seven prosecutions relating to drug trafficking – Guilty pleas entered to charges in three prosecutions in exchange for discontinuation of remaining prosecutions – Barrister registered as police informer and informing on applicant – Other clients persuaded to give evidence against applicant – Breaches of barrister’s professional duties – Barrister and police shared common purpose of ensuring applicant charged with and convicted of serious offences – Applicant convicted and exhausted rights of appeal without knowing of misconduct – Whether substantial miscarriage of justice – Leave to appeal granted – Appeal allowed in part.

CRIMINAL LAW – Appeal – Conviction – Whether common purpose of barrister and State police undermined administration of justice – Barrister secured cooperation of clients to act as witnesses against applicant – Breaches of professional duties to clients – Method used to obtain evidence grossly improper – Fundamental departure from proper processes for trial – State conviction involving substantial miscarriage of justice – Order for acquittal – Common purpose not infecting Commonwealth prosecution – No fundamental departure from proper processes for trial – Misconduct having capacity to affect result in Commonwealth prosecution – Conviction not inevitable – Commonwealth conviction involving substantial miscarriage of justice – Order for retrial – Further State conviction unaffected – Baini v The Queen (2012) 246 CLR 469; Awad v The Queen (2022) 275 CLR 421; Karam v The King [2023] VSCA 318, applied.

CRIMINAL LAW – Appeal – Conviction – Whether common purpose of barrister and State police undermined appearance of administration of justice – Whether fair-minded observer might reasonably apprehend that accused might have been deprived of fair trial – Test not applicable where Court has found guilty pleas did not involve substantial miscarriage of justice – R v Szabo [2001] 2 Qd R 214, distinguished.

CRIMINAL LAW – Appeal – Conviction – Guilty pleas – Integrity of pleas impugned by non-disclosure of misconduct of barrister and police – Non-disclosure affecting assessment of strength of prosecution case on subject charges and charges discontinued by agreement – Whether prosecutions could not in law have proceeded – Affront to justice – Whether non-disclosure had capacity to affect outcome of prosecutions – Whether issuable question of guilt – Peters [No 2] v The Queen (2019) 60 VR 231; Karam v The King [2023] VSCA 318; Honeysett v DPP (NSW) [2023] NSWCCA 215, applied – Leave to appeal granted – Appeal allowed in part.

CRIMINAL LAW –…

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Mokbel v The King [2025] VSCA 243
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[2025] VSCA 243
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CaseChat Overview and Summary

The case of Mokbel v The King involved the appellant, Mokbel, appealing against his convictions following seven separate prosecutions related to drug trafficking. The appeals were heard by the Supreme Court of Victoria, which granted leave to appeal. The central legal issue was whether the misconduct of a police informer, a barrister, and the police, who acted in common purpose to ensure Mokbel was charged and convicted of serious offences, amounted to a substantial miscarriage of justice. The misconduct included breaches of professional duties, and Mokbel was unaware of it when he entered guilty pleas.

The court examined whether the misconduct undermined the administration of justice and whether a fair-minded observer might reasonably apprehend that Mokbel was deprived of a fair trial. The court found that the misconduct of the barrister and police did indeed constitute a substantial miscarriage of justice in relation to the state convictions. However, the misconduct did not infect the Commonwealth prosecution. The court held that while the misconduct had the capacity to affect the outcome of the Commonwealth prosecution, it did not inevitably lead to a conviction. Consequently, the court ordered a retrial for the Commonwealth conviction, whereas the state convictions remained unaffected.

The court further considered whether the integrity of Mokbel's guilty pleas was impugned by the non-disclosure of the misconduct. The non-disclosure affected the assessment of the strength of the prosecution case. Although there was no reasonable prospect of a permanent stay of prosecutions due to the misconduct, the non-disclosure did have the capacity to affect the outcome of the prosecutions. The court allowed the appeal in part, ordering a retrial for the Commonwealth conviction while the state convictions remained unaffected.

The final orders of the court included the quashing of the Commonwealth convictions, ordering a retrial, and upholding the state convictions. The court's decision highlighted the importance of the integrity of legal processes and the consequences of misconduct by those involved in the administration of justice.

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