Review: Lockerbie, a Search for Truth This time last year a television drama aired that sparked a very British revolution. Over four nights on primetime ITV1, Mr Bates vs The Post Office laid bare one of the most widespread miscarriages of justice in modern times. The story of how a faulty computer system led to the prosecution and jailing of subpostmasters had been rumbling in the press for years to relatively little effect. A TV drama changed that overnight.