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 ...

The San Diego Sector U.S. Border Patrol, Homeland Security Investigations (HSI), and the Drug Enforcement Administration (DEA) are investigating a tunnel discovery near Jacumba. On Sept. 19, an ...

SAN DIEGO (AP) — They are known in the U.S. Border Patrol as “tunnel rats” – agents who go in clandestine passages that have proliferated on the U.S.-Mexico border over the past 20 years to smuggle ...

(The Center Square) – The Trump administration is cracking down on Mexican cartel-dug tunnels at the southwest border. The tunnels are built and used to smuggle drugs, weapons, people and other ...

Polish border guard officers discovered a tunnel connecting the Belarusian side of the border with Poland on Friday. Warsaw's Minister of Interior and Administration Marcin Kierwiński provided ...

A secret, cross-border tunnel found in the Southern Californian desert may be the first in California where smugglers built a home for the sole purpose of transporting drugs. The 416-yard tunnel ...

Thirty undocumented immigrants suspected of trying to cross into the United States from Mexico through a hidden tunnel spanning the border were detained by authorities in San Diego early Saturday. U.S ...