By Jennifer Lipman, March 21, 2013
Armed only with the number of a tattoo inked onto a four-year-old by the Nazis, Facebook users are hoping to help a Holocaust survivor track down his long-lost twin brother.
Menachem Bodner was four years old when he escaped Auschwitz, where he was in the clutches of the Nazi doctor known as the Angel of Death, Joseph Mengele, who remains infamous for his brutal experiments on twins.
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