From lifesaver to armed robber and back again

Furniss was the unlikeliest of teen prisoners – a white, middle-class, private schoolboy from a supportive Christian family.

Just 10 months earlier he had earned a bravery medal for saving a 9-year-old girl from Napier's pounding surf. Almost nine years on, he struggles to pinpoint exactly what went wrong, apart from the obvious – too many drugs, too young, to the point where he had no grip on reality.

But what he does know is how he has remained clean since, defying the grim statistic that 82 per cent of those aged under 20 on leaving prison are reconvicted within two years