NEW : Pope Benedict XVI visited the main Jewish synagogue in Rome , Italy , on Sunday . Pope angered Jews in Rome last year by moving Pius XII closer to becoming a Pope . Jews believe Pius XII could have done more to free predecessors rounded up by the Nazis . He said many Catholics helped Jewish fugitives whom the Nazis were `` hunting down '' for deportation to concentration camps . Vatican : Pius XII worked behind the scenes to save Jews from the Holocaust .
NEW : Pope Benedict XVI visited the main Jewish synagogue in Rome , Italy , on Sunday . Pope angered Jews in Rome last year by moving Pius XII closer to becoming a Pope . Jews believe Pius XII could have done more to free predecessors rounded up by the Nazis . Vatican : Pius XII worked behind the scenes to save Jews from the Holocaust .