Beatrix ‘Trixie’ Bennett-Hiller is no ordinary grandma -- she spent years keeping the Anita Cobby and Janine Balding killers in order. She recounts the frightening time John Travers attempted to rape a rookie prison guard, the conflicting moment she had to save Ebony Simpson’s killer’s life and how she managed to evade Shorty Jamison who had it in for her.

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.