A justice sector advocate believes the Government should invest up to $40 million in upskilling Maori service providers for helping ex-prisoners.
Former Prison Service head Kim Workman reckons that's about four times what the Government spends on services for those leaving prison after short stays.
He said resources went to offenders who had been jailed for longer than two years, but more work could be done for those imprisoned for less time.
"Our point is 70 per cent of the prisoners will be out in six months, especially Maori, so you get a really high number who are serving short terms in prison. These are the guys who fill up the prisons. They can be helped significantly by putting together a reintegration plan that addresses their immediate needs with whanau and the community."