Saturday, 17 March, 1928: the Scotland Yard detectives, Cornish and Campion, return to London. Cornish submits a forty-nine page report to his superiors on their investigations. He concludes that Beatrice murdered Harry by deliberately putting arsenic (derived from sheep dip) into his food. His arguments in support of this claim will be intensely scrutinised during the trial.
On the same day, an article appears in the Dean Forest Guardian with the title 'The Fetter Hill Mystery', possibly the first reference to the case under this name. 'The case', the paper notes, 'has excited tremendous interest throughout the Forest of Dean...’