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This episode features two female scammers - both staggering stories reveal the crazy lies told, the lengths they went to for money and the lives they destroyed in the process. One was the ultimate Gold Digger who prayed on lonely older men and weaseled her way into their hearts and bank accounts but ultimately to get it all... she had to kill.

Unsolved crimes have always captured our imaginations and these next two stories are no exception. Both have twists that will leave you wondering where the truth lies. There's Arthur Greer, a violent man with sexual abuse convictions who spent 25 years in prison for murdering a 14-year-old school girl.

The stories in this episode all share crucial mystery elements, from a man's heart-breaking search for his murdered brother, to an ex-cop and murderer who lead police on a futile search for the body of the pregnant girlfriend he killed. And there's the twisted story of a mail bomb, three friends, a suicide, shady characters, a faked death and one lucky escape.

In this episode we look at three Lethal lovers; where 'till death do us part' becomes a chilling reminder that all is not what it seems. One story is of a loving husband torn between his extended family and his new wife, resulting in a frenzied attack that no one saw coming.

When young minds spiral out of control - this is a look at two young killers who became obsessed with murder. One is a young woman who plotted her teenage neighbors death in meticulous detail. The other story is about Matthew Milat - if the name sounds familiar it's because he's the nephew of serial killer Ivan Milat.

This episode is about one man, Ivan Milat. Australia's most prolific serial killer. We take an in depth look at the murders of the 7 backpackers found in the Belanglo state forest, the arrest, the court case, his family ties and a secret revealed to the detective who took down this monster.

All three stories tonight are motivated by utter greed with one tragically ending in murder. Glenys Heyward was a battered wife and after years of vicious domestic violence, she escaped and found a new life...or so she thought. Also the story of a deluded con man with multiple identities who tried to fool everyone he came into contact with. And then there's the Casanova con man.

This episode, the tragic story of two daughters lost forever at the hands of the people they should have been able to trust the most. Rick and Julene Thorburn portrayed themselves as the perfect foster parents - a happily married couple with two talented sons, this was a lie that unraveled as the entire family concocted a story to hide a murder from police.

Both stories in this episode center around greed and lust which motivated the murders of two innocent women. One woman was the ultimate Femme Fatale. She seduced hapless men to do her dirty work with one hit man murdering the wife of her lover.

We look at the gruesome murders of two families who lived worlds apart. In an elite South African town a privileged student who grew up in Australia snaps and brutally attacks his family with an axe. The story of Henri Van Breda's night of evil looked like a horror movie but one big question still remains, did his own family know they were living with a killer.