Jennifer Kaschau spent years managing some of Australia’s most dangerous women at Adelaide Women’s Prison. She dishes the dirt on old-lady killer Angelika Gavare, who boasted to inmates that police would never find her victim’s head or hands; and Michelle Burgess, a school mum turned calculating murderer – deemed so sexually powerful she was able to manipulate any man to do her bidding… including a prison guard who had an affair with her.

Every episode of On Guard, plus articles, amazing images and the multimedia experience is available right now, go to onguardseries.com.au.

See omnystudio.com/listener for privacy information.