R v Yogasakaran - [1990] 1 NZLR 399

Criminal law — Offences — Manslaughter by negligence — Duty of persons doing dangerous acts — Standard of proof — Degree of negligence required to be proved — Accused, an anaesthetist, during an emergency in error injected wrong drug taken from correct drug drawer resulting in death of patient — Accused was convicted of manslaughter — Whether Crown was required to prove no more than ordinary negligence — Whether Court of Appeal should depart from earlier decisions of its own — Whether verdict of jury was unreasonable — Crimes Act 1961, ss 155, 160(2)(b) and 171.