CRIMINAL LAW: Dangerous Drugs Act 1952 - Section 39B(1)(a) - Trafficking in heroin and monoacetylmorphines - Mens rea trafficking - Presumption under s. 37(da)(iiia) - Whether reliance upon presumption correct - Conduct of accused - Mens rea possession - Reasonable doubt - Dangerous Drugs Act 1952, s. 37(d), (da)
CRIMINAL PROCEDURE: Trial - Dangerous Drugs Act 1952 - Drug trafficking - Prima facie case - Whether established at close of prosecution's case - Mens rea trafficking - Whether reliance upon presumption under s. 37(da)(iiia) correct - Conduct of accused - Mens rea possession - Reasonable doubt - Dangerous Drugs Act 1952, s. 37(d), (da)
CRIMINAL PROCEDURE: Mens rea - Trafficking in dangerous drugs - Whether proven - Whether reliance upon presumption under s. 37(da)(iiia) Dangerous Drugs Act 1952 correct - Conduct of accused - Mens rea possession - Reasonable doubt - Dangerous Drugs Act 1952, s. 37(d), (da)
EVIDENCE: Circumstantial evidence - Inferences from facts - Drug trafficking - Conduct of accused, admissibility of - Whether combined strength of facts and circumstances gave rise to strong inference that accused had mens rea possession of drugs - Evidence Act 1950, s. 8 - Dangerous Drugs Act 1952, s. 37(d)
EVIDENCE: Presumption - Drug trafficking - Whether prima facie case established at close of prosecution's case - Mens rea trafficking - Whether reliance upon presumption under s. 37(da)(iiia) Dangerous Drugs Act 1952 correct - Mens rea possession - Dangerous Drugs Act 1952, s. 37(d), (da)