PHOENIX -- An incomplete tunnel found stretching from Mexico to Arizona appears to be "the most sophisticated tunnel in U.S. history," authorities said. The tunnel intended for smuggling ran from a ...

U.S. and Mexican authorities shutdown a drug smuggling tunnel Friday afternoon, following a multi-agency investigation by the Nogales Tunnel Task Force, federal authorities said. Members of the ...

PHOENIX — Border Protection officers discovered an incomplete cross-border tunnel during a routine sweep in Nogales, Arizona, officials said. The tunnel measures 25 feet in length, six and a half of ...

Two drug-smuggling tunnels outfitted with lighting and ventilation systems have been discovered along the Mexican border, the latest signs that cartels are building sophisticated passages to escape ...

Starting at 9 p.m. on Jan. 9, the eastbound lanes of Interstate 10 between the Interstate 17 interchange and State Route 51 ...