The R v Henry sentencing guideline for armed robbery applies equally to robbery in company under s 97(1) of the Crimes Act 1900 (NSW). When sentencing a mentally ill offender, a sentencing judge is not required to differentiate between drug-induced psychosis and pre-existing psychosis where the judge treats the condition consistently with the approach to a pre-existing medical problem. Mental illness can colour the whole sentencing process and should not be treated merely as a discrete adjustment factor.
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