Video Shows Authorities Discovering Massive Drug-Smuggling Tunnel Between California And Mexico

U.S. border walls need to be built deeper to prevent this from happening.

The U.S. Homeland Security Investigations Tunnel Task Force has arrested four people after they allegedly smuggled cocaine into the U.S. through a sophisticated tunnel system that originated in Mexico.

According to authorities, the tunnel spanned nearly 2,000 feet and had its own railing system.

Take a look:

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U.S. authorities said they uncovered a “sophisticated” tunnel used to smuggle drugs into the U.S. from Mexico. The discovery came after a months-long Homeland Security investigation in San Diego. pic.twitter.com/ESdDhvu19v

— The Washington Post (@washingtonpost) June 3, 2026

CBS News reported more on the drug smuggling tunnel:

Four people have been arrested and charged with trafficking more than $45 million in cocaine