On the night of September, the 4th 1992, Esther and Jessica McCann went to sleep and never woke up.

The 36-year-old mother and her 18-month-old-toddler died when a fire swept through the house. It was a tragic loss of life.

The young mother had been trying to adopt the little girl she had fostered since her birth. They were inseparable. And it followed a series of events in the home that baffled Esther, her husband, and her family.

Was there something more sinister at play here?

In this episode of Lines of Enquiry, John Sweetman takes us through the events leading up to that tragic house fire and how a dark secret from the past lurked in the corner.

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Presented by John Sweetman

Created by Darren Cleary

Episode Written by Siobhan Maguire

Script Edited by Eoin Brennan

Produced by Siobhan Walsh

Produced by Siobhan Maguire

Executive Produced by Eoin Brennan

Executive Produced by Ruth Fitzsimons

Sound Design and Editing by Neil Kavanagh

Audio Editing Support by Ed Smith

Marketing Support by Bríd Walsh and Róisín Reilly

Social Support by Mark Hayes and Robyn Ree

Artwork and Graphics by Eric Rowntree