Idris Elba fronts a new BBC documentary, Idris Elba: Our Knife Crime Crisis, exploring the rise of knife crime and how to prevent it. The East-London born actor known for his role in drama series Luther, has been campaigning against knife crime over recent years and is on a mission to confront the crisis. As well as speaking with victims, offenders, police and grieving families, the new film follows Idris, 52, as he discusses the issue with British leaders, King Charles and Prime Minister Sir