Actually worth noting that a lot of people have counted Jimmy Carter as the one post-WW2 president who isn't a war criminal. This is false. Despite not launching any invasions or wars himself, he aided Suharto's genocide in East Timor, and several other right wing dictatorships established in the 20th century.
https://www.counterpunch.org/2015/08/18/jimmy-carters-blood-drenched-legacy/