In this Wednesday, Sept. 19, 2012 photo, the home of Johann "Hans" Breyer, center, is seen in Philadelphia. Breyer is the target of a new German investigation on allegations he served as an SS guard at the Nazis' Auschwitz death camp, The Associated Press has learned, in a case that comes after years of unsuccessful U.S. Department of Justice attempts to have him stripped of his American citizenship and deported. (AP Photo/Matt Rourke)
