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What turns a person into a monster? In this new, insightful documentary series, one of Australia's leading clinical psychologists, Leah Giarratano, explores the dark side of human behaviour as she delves into the minds of some of Australia's most notorious criminals. Interviews with those who knew them - family members, schoolmates and colleagues among them - reveal the lives and psychology of those who have committed shocking crimes.
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Episode 1
Look into the minds of Australia's most notorious serial-killing couple, David and Catherine Birnie. Psychologist Dr Leah Giarratano tells viewers what led these two violent, sexual predators to commit these shocking crimes.




