Whenever someone has to be the butt of some global joke .....somehow the US has to be the one to step up. Taking someone into custody for 18 hours without giving the family or press any information. How different is this from Iran or North Korea?
Two things could've happened here IMO. They asked for the domain to turned over to them and were politely refused, or they're about to punish an accidental hero for white hat work/previous black hat work not related to WannaCry