Ultralight aircraft now ferrying drugs across U.S.-Mexico border

Mexican organized crime groups are using ultralight aircraft to drop marijuana bundles in agricultural fields and desert scrub across the U.S. border. The incursions are hard to detect and are on the upswing. They fly low and slow over the border, their wings painted black and motors humming faintly under moonlit skies. The pilots, some armed in the open cockpits, steer the horizontal control ...