As Article 77 of the Vienna Convention on the Law of Treaties states, one of the functions of a treaty depositary is ‘Receiving any signatures to the treaty and receiving and keeping custody of any instruments, notifications and communications relating to it’. The USA could also have leaned ...
As far as the parade goes, you still have some weird ideas: If the four are found not-guilty, why would they be taken into custody? That shouldn't happen. And if they're not guilty, then they can't be put up as examples of cyber-bullies. I mean, it makes no sense to put them...