“...distributing undetectable $100s thru the Norks for years.”
Hmmm!? This would have been about 17 years ago - before the big push in the newer, colorful bills with enhanced strips, etc.
Appears to be much more recent than that.
www.fas.org/sgp/crs/row/RL33324.pdf
http://m.vanityfair.com/politics/features/2009/09/office-39-200909