In the 1960s Stanley Milgram conducted research to answer the question - How far will people obey authority? His results were shocking, over half of his participants were willing to give an innocent "learner" high voltage shocks. A few years ago after the disturbing images from the treatment of prisoners at Abu Grahib, researchers were asking the same questions again. Their results? Read the article below to gain some insight.
http://abcnews.go.com/Primetime/story?id=2765416&page=1