Where psychological reports before a sentencing judge clearly identify mental impairment and depression and draw a causal link to the offending, the necessity to consider the Verdins propositions arises irrespective of submissions made by counsel on the plea. The principles in DPP v Aryanitidis, not R v Koumis, govern the relevance of drug-induced intoxication to moral culpability where the offending is not drug trafficking. The principle in R v Mills regarding youthful offenders applies equally to offenders with permanent mental impairment; such impairment does not preclude the application of Mills.
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