What I want to know is what we (for any of the appropriate values of 'we') are going to do about this, because this kind of thing cannot be allowed to go on.
'We' have allowed unimaginable atrocities to 'go on' in North Korea against innocent men, women and children for decades and we've done nothing.
Yet NK makes empty threats against movie theatres and now we're supposed to do something about it?
How does NK survive? China. You want to do something about it then everyone in the USA needs to stop buying stuff from China. Once China turns off the NK money taps (money that comes from you, indirectly) then regime will collapse.