After World War II, under Juan Perón's administration, Argentina participated in establishing and facilitating secret escape routes out of Germany to South America for ex-SS officials (the ODESSA network) Former Nazi officials emigrated to Argentina in order to prevent prosecution. Some of them lived in Argentina under their real names, but others clandestinely obtained new identities. Some well-known Nazis that emigrated to Argentina are Obersturmbannführer Adolf Eichmann, Nazi doctors Josef Mengele and Aribert Heim, Commander Erich Priebke, Commandant Eduard Roschmann, and General Lieutenant "Bubi" Ludolf von Alvensleben.