The US is not a signatory to the International Criminal Court so you won't see Musk on trial there.

I hope I don't have to link this adjacent reply of mine too many more times: https://news.ycombinator.com/item?id=43709056 Specifically "The venue is a matter of convenience, nothing more," and if you prefer another, that would work about as well. Perhaps Merano; I hear it's a lovely little town.