Artist Robert Sutz is a messenger for beautiful people filled with horrific memories. Sutz, 82, is creating what he calls irrefutable evidence of one of the darkest chapters in human history -- the Holocaust. He calls it proof for those who don't believe and a painful reminder to those who might forget.

Find out how people who've survived unimaginable pain and terror are talking -- some for the first time ever -- about what it was like to live under the threat of Nazi horrors.