By Saffron Otter Robert Brown bludgeoned his estranged wife Joanna Simpson to death when he ‘lost control’ amid their bitter divorce battle. The ex-British Airways captain was put behind bars after being sensationally cleared of murder, having admitted to manslaughter on the grounds of diminished responsibility. The killer was due an automatic release from prison in November 2023, but this was blocked by the Lord Chancellor after campaigning by Ms Simpson’s friends and family. Before he brutally ended her life, Brown and Joanna, a millionaire who ran her own Bed and Breakfast business, looked …