The US hired thousands of war criminals. Tens of thousands more in West Germany were permitted in receive show trials where they received minutes in prison for every murder. The C.I.A. preferred to use intelligence assets on the ground even if they were sympathetic Nazis and the state department found it easier to rebuild West Germany with the most competent people the Germans had. Which many had committed war crimes but it was a more pragmatic decision not to investigate to deeply because they were our allies now on the front line of the cold war. There was never a mass execution of the guilty, only a few show trials of top political figures and a few camp workers. The vast majority of war criminals and thieves received light sentences or none. Stolen European gold and wealth was allowed to be repatriated to rebuild West Germany and build up switzerland.