Idi Amin's mastery of media revealed in newly published photos

Photos taken by official photographers show how Ugandan dictator exploited media 'to amplify ego and political will'

For decades he has been reviled as a simple-minded and sadistic dictator, or lampooned as a clownish thug.

Now tens of thousands of newly discovered images have shown how Idi Amin exploited cutting-edge media technology, populism and radical ideologies to maintain his bloody grip on power in the 1970s.