An inside account of some of Australia's most gruesome and recent crime cases. Go inside a maximum security jail unit to learn why feared prisoner Matthew Charles Johnson murdered drug boss Carl Williams in the most brutal way possible. Question how a two-time killer was allowed the freedom to murder his third innocent victim, dismembering her in a bathtub and throwing the body out to sea. Read these and many more true stories but beware, Dirty Deeds: Justice Prevails is not for the faint hearted.