A sentencing court applying the De La Rosa principles need not find a 'direct causal link' between an offender's mental illness and the offending conduct; it is sufficient that the mental health condition 'contributes to the commission of the offence in a material way', which may include indirect contributions such as impaired judgment associated with schizophrenia.
The full text is available to signed-in members, including the 9 later cases that cite this judgment.
5 of the 9 citing cases carry a classified treatment. How each court treated it is available to signed-in members.