The case of the ‘Hay Poisoner’ inspired many a cosy murder mystery
The case of the retired major Herbert Rowse Armstrong, a Hay-on-Wye solicitor hanged in 1922 for killing his wife Katharine with arsenic, is one of nine examined in George Orwell’s 1946 Tribune essay ‘The Decline of the English Murder’ as having enthralled the public. ‘A little man of the professional class’, living an ‘intensely respectable