Explore Britain's dark criminal history through the fascinating objects that have been hidden away in the Crime Museum at Scotland Yard, a collection that, although world-famous, is so sensitive it has never before been opened to the public. Each object tells its own story: the briefcase with a concealed syringe owned by the notorious Kray twins; the gun Ruth Ellis used to murder her lover David Blakely; a burnt-out computer from the Glasgow airport car bomb; a picture from the property of serial killer Dennis Nilsen of the grisly drain that was blocked with human body parts;