Mexican Cartel’s Seized Ammunition Is Traced to U.S. Army Plant

{}About 137,000 .50-caliber rounds have been seized since 2012, and of those, 47 percent came from a plant in Kansas City, Mo., Mexico’s defense secretary said.About 137,000 .50-caliber rounds have been seized since 2012, and of those, 47 percent came from a plant in Kansas City, Mo., Mexico’s defense secretary said.