AP NOGALES, Ariz. – establishment participating in Arizona say theyve found a 250-foot 7.5-meter-long unfinished smuggling tunnel underneath the U.S.-Mexico border with the intention of has electricity, hose pumps and ventilation.Agents own found dozens of smuggling tunnels clothed in Nogales since the 1990s, but Chief Border Patrol Agent Randy mount says this tunnel is further sophisticated than other recently bare tunnels, aphorism with the intention of individuals who were building it chiseled through solid swing and installed lighting and other equipment.