Did they get their shipment of 'The Interview' early? 
http://www.theguardian.com/world/2015/mar/10/10000-copies-of-the-interview-to-be-sent-to-north-korea-by-balloon
http://www.theguardian.com/world/2015/mar/10/10000-copies-of-the-interview-to-be-sent-to-north-korea-by-balloon
Quote
The North has already warned that Park will pay for his crimes in blood if copies of the film make it across the border.
On 2 March, the Norths state-run website Uriminzokkiri warned that Pyongyang would respond to any balloon launches with not just a few shots of gunfire but cannons or missiles.
On 2 March, the Norths state-run website Uriminzokkiri warned that Pyongyang would respond to any balloon launches with not just a few shots of gunfire but cannons or missiles.