There are fears that a sex offender who was recently jailed for several years for serious sexual offending against teen girls was allowed to tutor children at a Wellington school, as he had not been background checked.
Richard Aston is the former chief executive of the Big Buddy group and has previously spoken out against lax attitudes towards background checks.
He joins us to talk about the background checking process, and how something like this could slip past an organisation that works with children.