A forensic psychologist's opinion that an offender 'exhibits several features' of a mental disorder, based solely on the offender's unsworn and untested self-report and contradicted by normal psychometric test results, does not constitute satisfactory evidence of a mental disorder sufficient to engage the De La Rosa sentencing principles. Drug addiction, even where commenced as self-medication for a childhood condition such as ADHD, provides context and explanation for offending but does not mitigate moral culpability, particularly where the offender has repeatedly failed to take advantage of court-ordered rehabilitation opportunities.
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