More thoughts on visual language and its use (Conscientious)

One of these people is a survivor of the genocide in Rwanda, the other one is a confessed genocidaire (who admitted to killing an old woman, his neighbour, because he “heard that those who confessed would be released”). But how can you tell which one is which?
These two images are taken from Intimate Enemy: Images and Voices of the Rwandan Genocide, a book by photographer Robert Lyons

Check it out here