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Singapore Case Law

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Criminal law [2022] SGCA 30

DARYATI v PUBLIC PROSECUTOR

The Court of Appeal dismissed Daryati’s murder appeal, rejecting diminished responsibility after finding the psychiatric defence unsupported by objective evidence.

  • Diminished responsibility
  • Persistent depressive disorder
  • Expert psychiatric evidence
  • Functional impairment
  • Loss of self-control
  • Diminished-responsibility
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Criminal law [2009] SGHC 144

Public Prosecutor v Tharema Vejayan s/o Govindasamy

High Court murder conviction in which the accused’s intoxication, diminished responsibility, provocation, and suicide theories were rejected.

  • Intoxication
  • Diminished responsibility
  • Grave and sudden provocation
  • Voluntariness of statements
  • Dna evidence
  • Autopsy and forensic reconstruction
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Criminal law [2003] SGHC 227

Public Prosecutor v Tan Chee Wee

The accused inflicted repeated hammer blows to the victim's head with the requisite intent to silence her, causing fatal blunt force brain injuries; the prosecution therefore proved murder under s300 beyond reasonable doubt and the defences of self-defence and sudden fight were rejected.

  • Self defence
  • Sudden fight
  • Intention to kill
  • Culpable homicide
  • Dna evidence
  • Forensic pathology
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Criminal law [2003] SGCA 12

Arun Prakash Vaithilingam v Public Prosecutor

The Court affirmed conviction and mandatory death sentence because the objective evidence (notably the deliberate transfer of the knife to a now-free left hand and the thrust into a sleeping, unarmed victim) established the requisite intention under s300(c), and Exception 4 was unavailable because the appellant armed himself beforehand and thereby took undue/unfair advantage.

  • Intention to cause bodily injury (s300(c))
  • Sudden fight / exception 4 to s300
  • Use of a knife / weapon
  • Undue/unfair advantage
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Criminal law [2000] SGCA 13

Lau Lee Peng v Public Prosecutor

The Court of Appeal upheld Lau Lee Peng’s murder conviction, holding that grave and sudden provocation was not made out and that his conduct showed conscious, purposeful action.

  • Grave and sudden provocation
  • Exception 1 to s 300 penal code
  • Loss of self-control
  • Objective reasonable man test
  • Adverse inference for failure to mention (s 122(6) & s 123(1) cpc)
  • Weight of medical opinion
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