In 1973, in White Plains, New York, Donna Freed was told, in a ‘shroud of shame’ and without any soothing explanations, that she was adopted. The six-year-old’s life was plunged into a dark hinterland of anxiety. Freed spent the next 38 years fearful that the discovery of her birth mother would reveal ‘a terrible or seedy story, tragic circumstances, terror, violence, incest or rape’. In fact the truth awaiting her was a sensation straight out of a Hollywood film noir: a scandalous tale of dirty glamour, passion and pseudocide. Her parents were in fact embroiled in one of the juiciest death fraud cases of 1960s America. Duplicity is a Janus memoir, part adoption story, part true crime history. As the subtitle suggests, Freed has had to unearth what both her mothers, adoptive and biological, concealed.