Psychologist Philip G. Zimbardo talks with PhotoWings about the role that photography played in his seminal Stanford Prison Experiment. He goes on to speak about how the visual record of the experiments steered conversations during the 1971 congressional hearings about prisoner abuse in San Francisco and Washington, D.C. With this experience, Zimbardo was asked to be an expert witness decades during the trial of Sgt. Ivan "Chip" Frederick, in the aftermath the events at the Abu Ghraib prison in 2003. He discusses the Abu Ghraib guards' photographs, an unfortunate visual story of unintended consequences and unethical compliance.

Philip G. Zimbardo, PhD. is a professor emeritus of psychology at Stanford University. Zimbardo has published numerous books on the subject of human psychology and behavior. His discussion of the events of Abu Ghraib were also the subject of his book, "The Lucifer Effect," and his TED talk on the psychology of evil: http://www.ted.com/talks/philip_zimbardo_on_the_psychology_of_evil.html

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