A young mother trying to protect herself and children from a violent partner picks up a knife. The attacker lunges and the knife pierces his chest by a tiny 14mm. He dies and she's charged with murder. Tara Brown investigates a tragedy.

Liam Bartlett meets Dhakota Williams, the daughter of Australia's most notorious gangster, Carl Williams. At 17 and now all grown up, she wants answers about her father's violent life – and death.