The guideline sentence of four to five years promulgated in R v Henry for armed robbery applies equally to robbery in company, the legislature having prescribed the same maximum penalty for both. A diagnosis of attention deficit hyperactivity disorder (ADHD) is a mental disorder that must be weighed by a sentencing judge in assessing general deterrence and rehabilitation, and an offender's culpability may be treated as reduced where the disorder was previously undiagnosed and explains a long history of behavioural problems.
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