By Terence P. Jeffrey © 2002 WorldNetDaily.com U.S. law-enforcement officers in the Southwest are convinced that Mexican military units are crossing the Arizona-Mexico border to aid smugglers in carrying drugs into the United States. In one incident, says a senior federal law-enforcement officer, a major in the Mexican army was caught at the U.S. port of entry at Naco, Ariz., carrying a detailed drug-smuggling map among his papers. The Mexican officer, said the official, was "coming into the United States and they found the drug-smuggling maps on him that showed all the drop points and trails" that local smugglers used...