His mother and grandmother never approved because they thought the police an unsuitable career for a young man from an middle-class family . When his maternal aunt Emma Brown married Superintendent Samuel Bowles of the Hampshire Constabulary , she made him resign . His mother and grandmother never approved of his career choice , seeing the police as unsuitable for a young man from an aspiring middle-class family ; indeed , when his maternal aunt Emma Brown married Superintendent Samuel Bowles of the Hampshire Constabulary , she made him resign .