The detective says she heard Wayne Couzens worked for the Metropolitian Police just before officers went to his home to question him. Sarahs family hope a new documentary about her murder three years ago will contribute to the ongoing dialogue about the way Police Approach this type of case. Our Special Correspondent lucy manning reports. The everard family have shared some of their favourite pictures of their daughter and sister sarah for the first time. A smile that stands out. A future that was shot down. Taken away three years ago by a murderer in police uniform. Herfamily have spoken at their desperate longing to have sarah with them again and how her loss pervades every part of their lives. Forthe her loss pervades every part of their lives. For the first time, the met team who investigated sarahs kidnap, rape and murder have spoken in a bbc documentary about the moment they found out Wayne Couzens was a colleague, a fellow officer. While detectives were heading to cousins house