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Former DCI Jackie Malton retraces the crimes of Donald Neilson, to discover how a robber became a calculating murderer, and the investigation that brought him to justice.

Former DCI Jackie Malton re-examines one of the most psychotic murderers in British criminal history, Robert Napper, and how an innocent man was imprisoned for his crimes.

Former DCI Jackie Malton interviews experts to learn how they joined forces to identify the skeleton of a woman no-one knew was missing, and bring her killer to justice.

Former DCI Jackie Malton, accesses 10 case files, revisiting the investigations with the police, detectives and other professionals who experienced them first hand.

Former DCI Jackie Malton re-investigates the murder of 20-year-old Suzanne Greenhill, a deaf woman living in a community cut off from the world.

Former DCI Jackie Malton looks into the case of British au-pair Louise Woodward, after a child she was looking after had been rushed to a hospital unresponsive.

Former DCI Jackie Malton revisits the case of a Scottish serial killer Peter Tobin, who had a criminal record dating back to his childhood.

Former Detective Chief Inspector Jackie Malton sets out to explore a rare case of filicide, when a parent murders their own children.

Former DCI Jackie Malton re-examines the crimes of two childhood friends, John Duffy and David Mulcahy, who became two of the most notorious murderers in British criminal history.

Former DCI Jackie Malton revisits the case of Neil Entwistle, a seemingly shy and unassuming man who murdered his wife and baby daughter in cold blood before fleeing the country.