Sniffing out billions in U.S. currency smuggled across the border to Mexico
Wednesday, August 13, 2014 - 05:02
in Astronomy & Space
Criminals are smuggling an estimated $30 billion in U.S. currency into Mexico each year from the United States, but help could be on the way for border guards, researchers report. The answer to the problem: a portable device that identifies specific vapors emitted by U.S. paper money, to be described by researchers.