Samantha Keeble

DI Samantha Keeble the inspector who was dealing with the case of Max Branning hit and run. She was angry at his former wife Tanya Branning for not letting her speak to their daughter Abi Branning, as Abi was in Max 's house, near the 'accident'. In 2014, she takes over the investigation into the murder of Lucy Beale , and interviews Billy Mitchell about an argument he had with Lucy on the night she died.