Kerry Corbin spent years working at Queensland’s Wolston Correctional Centre, a “protection” prison dedicated to the sex offenders, paedophiles and child killers who wouldn’t survive in the mainstream prison population without being served a dose of “prison justice” by the other inmates.  He reveals the tell-tale sign of a paedophile, his dealings with Daniel Morcombe’s killer and the vicious attack that ended his career in corrections.

On Guard is an eight-part podcast that uncovers what really goes on behind bars as former correctional officers share shocking secrets from the frontline of working with some of Australia’s most infamous criminals.

On Guard uncovers what really goes on behind bars as former correctional officers share secrets of Australia’s most infamous criminals.

Australia’s prisons are notoriously private — inmates are forbidden from talking to the outside world without permission, and officers are silenced by airtight contracts. On Guard — an eight-part podcast — uncovers what really goes on behind bars as former correctional officers share shocking secrets from the frontline of working with some of Australia’s most infamous criminals. These are the unsung heroes of the justice system, men and women who risk their lives daily -- often without thanks. Some of their stories are terrifying, others are haunting...and some are very, very funny.

<p>Australia&rsquo;s prisons are notoriously private &mdash; inmates are forbidden from talking to the outside world without permission, and officers are silenced by airtight contracts. On Guard &mdash; an eight-part podcast &mdash; uncovers what really goes on behind bars as former correctional officers share shocking secrets from the frontline of working with some of Australia&rsquo;s most infamous criminals. These are the unsung heroes of the justice system, men and women who risk their lives daily -- often without thanks. Some of their stories are terrifying, others are haunting...and some are very, very funny.</p>

On Guard — an eight-part podcast — uncovers what really goes on behind bars as former correctional officers share shocking secrets from the frontline of working with some of Australia’s most infamous criminals.

On Guard - Stories From Inside Australia's Toughest Prisons

Australia’s prisons are notoriously private — inmates are forbidden from talking to the outside world without permission, and officers are silenced by airtight contracts. On Guard — an eight-part podcast — uncovers what really goes on behind bars as former correctional officers share shocking secrets from the frontline of working with some of Australia’s most infamous criminals. These are the unsung heroes of the justice system, men and women who risk their lives daily -- often without thanks. Some of their stories are terrifying, others are haunting ... and some are very, very funny.