He blanked for nine years then very briefly surfaced in Germany before somehow coincidentally ending up in the same middle of nowhere town in the U.S. where the U.S. government hid other Nazis to avoid trial in exchange for expertise they could offer that they didn't want falling in the hands of the Soviet Union. Mainly to help further develop nuclear weapons and other atomic technology, but in general anything that they felt could give the U.S. and capitalism an advantage over the soviets and communism.