No, legal US drugs aren’t being trafficked into Mexico en masse

The worth of Mexican marijuana declines as high-grade US-grown weed becomes more favorable to US customers
Vice News (US web)
Wednesday, December 3, 2014

The US Drug Enforcement Agency has now walked back statements it made about the trafficking of marijuana grown in the US to buyers in Mexico, after being met with skepticism by other law enforcement agents and experts and being pressed to divulge more information on the allegedly burgeoning problem. The claim that Mexican drug cartel members were taking US-grown weed and selling it at a premium to Mexican customers first emerged in a broader NPR report on the effects of legalized marijuana on the illicit drug trade.