North Korea cracks down on meth producers....to please the U.S.?

The U.S. drug war is influencing/pressuring North Korea to crack down on illegal drug producers.  North Korea expelled 5 men to the U.S. to face charges.

http://www.cnn.com/2013/11/20/justice/thailand-north-korea-meth-arrests/index.html?iref=allsearch