On Christmas Day 1909, Gwen Ellen Jones was murdered by William Murphy in the Welsh town of Holyhead. Anthony and Maddy tell the story with an appearance from Dr Hazel Pierce at the end. The episode was based on Hazel's wonderful work.

Hazel is part of the pan-Wales History Points project (https://historypoints.org/). Her first book was about Margaret Pole, Countess of Salisbury 1473-1541. Her new book is coming next year on the life of Katherine Courtenay, daughter of King Edward IV, and her son and daughter in law, Henry and Gertrude Courtenay, both of whom fell foul of King Henry VIII.

Written by Anthony Delaney. Editing and Sound Design by Anisha Deva. Produced by Freddy Chick. Senior Producer is Charlotte Long.

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Christmas Day Strangler: the murder of Gwen Ellen Jones