The North American Free Trade Agreement was designed to allow goods and services to flow more freely between the U.S., Canada and Mexico, and it has worked. Unfortunately, many of the goods entering America from Canada are illegal drugs, the trafficking of which was made easier by the trade pact.
“With a billion dollars worth of cargo crossing the U.S.-Mexico border every day, free trade is one of the greatest gifts for drug traffickers,” John Burnett writes at NPR.com.
Many of the illegal drugs that make their way into the U.S. from Mexico are brought across the border in plain sight, in the form of commercial vehicles. Customs agents charged with inspecting those vehicles are overwhelmed at the border.
Since the passage of NAFTA 16 years ago, truck traffic through Laredo, Texas alone has tripled.
http://economyincrisis.org/content/nafta-fueling-drug-trade