The New York Times Eric Lichtblau writes about some 1,000 Nazis who, following World War II, worked for the U.S. government - CIA, FBI - in various anti-Soviet espionage activities. He obviously expects the reader to be horrified that this happened.
I am moved to ask, how does their employment differ morally from the U.S. bombing of the caliphate in support, albeit indirectly, of Assad's Syria - notorious user of chemical weapons, and Hezbollah - notorious attacker of Israel?
Hell's bells, we armed the Taliban against the Soviets before we ended up fighting them ourselves. Does anybody else believe we'd have been better off leaving the Soviets in Afghanistan, suppressing the jihadis?
I believe it.
We often utilize assets which have questionable provenance.
Get over it.