R v Hallett

The Supreme Court of South Australia, sitting as the Full Court, heard an appeal against sentence brought by the appellant, who had been found guilty by a jury of arson contrary to section 85(1) of the *Criminal Law Consolidation Act 1935* (SA). The appellant had been sentenced to a head sentence of four years and six months imprisonment with a non-parole period of 18 months. The appeal concerned whether the sentence was manifestly excessive and whether a psychiatric report should be received as further evidence.

The court was required to determine if the sentencing judge had erred in failing to give adequate weight to the appellant's personal circumstances, including her youth, cognitive impairments, and mental illness, and whether these factors warranted a reduction in sentence or the suspension of the imprisonment term. Additionally, the court considered the admissibility of a psychiatric report as further evidence on appeal.

The Full Court, comprising Gray J (with Kourakis CJ concurring), allowed the appeal. The court reasoned that the original sentence was manifestly excessive, finding that the sentencing judge had not adequately considered the appellant's youth (she was 19 at the time of the offence), her significant cognitive impairments, and her mental health issues. The court applied the principles established in *House v The King*, which require interference with a discretionary judgment if specific error is shown or if the result is unreasonable or plainly unjust. The court also noted the serious nature of arson and the need for general deterrence, but concluded that these factors were outweighed by the appellant's mitigating circumstances. The court resentenced the appellant to a head sentence of three years imprisonment with a non-parole period of one year, suspending the sentence upon her entry into a three-year good behaviour bond with conditions. Kourakis CJ specifically noted that the original judge's discretion to suspend the sentence had been affected by an error of law, as there was a proper basis to exercise that discretion.