Mexican drug cartels appear to be shipping high-powered weapons to Colombia to purchase shipments of cocaine, a trade Colombian authorities say is fueling the deadly struggle between rival traffickers for control of the nation's drug routes.
A bevy of machine guns, assault rifles and semi-automatic handguns are flowing into the South American country, a dozen Colombian law enforcement officials told Reuters.
Among the weapons popping up in traffickers' arsenals is the Belgium-made FN Five-seveN pistol, sources said. Nicknamed the "cop killer," the 5.7-caliber weapon can penetrate bullet-proof . . .
