MIH v Regina

The appeal concerns the conviction of the appellant, MIH, for the manslaughter of his infant son, as well as for assault occasioning actual bodily harm to the child. The case was heard by the High Court of Australia. The primary legal issues involved the admissibility of certain evidence under the Evidence Act 1995 and whether the prosecution's evidence sufficiently excluded reasonable doubt regarding the cause of death and the infliction of harm.

The court examined whether certain admissions made by the appellant to ambulance officers treating his son should have been excluded as unfair. Under section 90 of the Evidence Act, the court has a discretion to exclude evidence if it would be unfair to the defendant to use the evidence, considering the circumstances in which it was made. The court found that the admissions were made under distressing circumstances and were therefore unfair to admit as evidence against the appellant. The court also scrutinised the autopsy report and expert medical evidence to determine whether there was reasonable doubt as to the cause of death and the infliction of grievous bodily harm. The court concluded that there were significant alternative hypotheses concerning both the cause of death and the infliction of injuries, which created a reasonable doubt.

The High Court allowed the appeal and ordered a new trial. The court found that the exclusion of the unfair admissions and the presence of reasonable doubt concerning the cause of death and the infliction of harm warranted a new trial. The court emphasised the importance of ensuring that the appellant had a fair trial, particularly given that he was unrepresented, and that the evidence against him was both legally admissible and sufficient to exclude reasonable doubt. The court's decision highlights the importance of judicial discretion in balancing the probative value of evidence against the risk of unfairness to the defendant.