Ex-Nazis paid millions in U.S. Social Security Since 1979, it has emerged that at least 38 suspected Nazi war criminals received millions of dollars in American Social Security payments in exchange for leaving the U.S. and giving up their citizenship Jakob Denzinger Former guard at several Nazi camps, including Auschwitz, Poland Fled to Germany from Ohio in 1989 after learning of denaturalization proceedings. Denzinger, 90, lives in Osijek, Croatia Wasyl Lytwyn: Served in SS unit that took part in destruction of Warsaw Ghetto in 1943 Agreed to leave Chicago in 1995 after admitting he concealed his SS service. Lytwyn, 93, is believed to live in Ukraine Peter Mueller: Former SS guard at Natzweiler concentration camp, France Left Illinois to return to Germany in 1994. Mueller, 90, now living in Worms, Germany Martin Hartmann Former SS guard at Sachsenhausen camp on outskirts of Berlin Moved to Berlin from Arizona in 2007 before being stripped of U.S. citizenship under agreement with U.S. Department of Justice. Hartmann, 95, now lives in Berlin Arthur Rudolph Prominent German rocket scientist invited to U.S. for his technical skill. Accused of using slave labour to build V-2 rocket. Renounced U.S. citizenship on return to West Germany in 1984, Rudolph died in 1996 John Avdzej: Regional mayor in occupied Belorussia, accused of aiding in arrest and execution of thousands of Jews Agreed to leave U.S. in 1984, renouncing American citizenship in West Germany. Died in 1998 Martin Bartesch: Former SS guard at Mauthausen concentration camp, Austria. Fled to Vienna in 1987 two days before his U.S. citizenship was revoked. Bartesch died in 1989 Source and Pictures: Associated Press