Robert Hammond, 47, also known as James, murdered Sian Hammond, 46, in a “brutal and determined” attack at their £1.2 million home in Histon, Cambridgeshire, in October 2023 after his debts ...

May is Mental Health season at the BBC. To mark the occasion, we’re looking at the story of mother and daughter, Myra and Sian, and how bipolar disorder turned their lives upside down.