The main gate of the Nazi concentration camp Auschwitz I, Poland, which was liberated by the Russians, January 1945. Writing over the gate reads: "Arbeit macht frei" (Work makes free - or work liberates). Johann Breyer, 89 faces possible extradition. A German court has charged him with aiding in the killing of 216,000 Jewish men, women and children during World War II. Breyer was arrested Tuesday outside his home in northeast Philadelphia. He has lived in the U.S. since 1952. Breyer has admitted he was an SS guard at Auschwitz in occupied Poland.