One of the main reasons Kathleen Folbigg was found guilty for the deaths of her four children, was her diary entries. Kathleen kept diaries over the decade of her children dying, and the entries were used as circumstantial evidence in the 2003 trial. And, some of them are harrowing. But – were they taken out of context? We hear Kathleen Folbigg answer questions about what she really meant in these entries. We also meet a linguistic expert who has worked for the CIA and FBI who has developed a computer program, to analyse texts for evidence of guilt, authenticity, hidden motives and lies. What does the program tell us about Kathleen’s diaries? We find out.

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