Apart from Craig White, everyone smart who was involved with the creation of Bitcoin and it's underlying technologies probably isn't oblivious to the danger of revealing themselves as Satoshi Nakamoto. Anyone and their family would be an instant juicy target for the US government, nation states, countless criminal actors or even desperate civilians down on their luck.
So the only person I would actually discard to be the real Satoshi is the one person that wants to be Satoshi the most - Craight Wright.
I think the US government would already know who Satoshi is due to bulk email collection via PRISM and stylometry. I don’t know why you think Satoshi broke any US laws.
The following video painted quite a compelling story of why Adam Beck is Satoshi:
(Disclaimer: I work for Blockstream)