The dangers of organisation that think they know best

The latest revleations about the behaviour of the police in the murder investigation into Stephen Lawrence are devastating.

But is it simply not the story of all organisations that think they can do what they like.

The whislte blower, former policeman Peter Francis, tells the story of how the Met tried to smear the Lawrence family. Shcoking.

Is there a difference between what Peter Francis has done and what Bradey Manning and Edwar Snowden have done?