Is There Really This Much Counterfeiting Going On Or Are These Actually Repatriated Dollars?

"The counterfeit cash appears to have been manufactured on offset printing machines using plates and ink, rather than on more sophisticated copiers, according to Michael Seremetis, the assistant special agent in charge of the New York Secret Service office. The loot is produced in bulk and bundled into packages that are smuggled in luggage or carried on planes by couriers who get about 40 cents on the dollar to put the fakes into circulation."