Federal investigators said they discovered a drug-smuggling tunnel spanning more than 1,700 feet from a San Diego warehouse to Tijuana, Mexico. Photo: Elliot Spagat/Associated Press ...

An curved arrow pointing right. US and Mexican authorities say they have discovered one of the longest drug tunnels between the two countries. The tunnel even had lighting, metal beams for support ...

In January 2020, the US discovered the longest known drug tunnel at the time that stretched three-quarters of a mile between Tijuana and San Diego. The tunnel had a rail system and elevator ...

The largest known drug tunnel between the US was uncovered in 2020, with the tunnel stretching three-quarters of a mile between Tijuana, Mexico, and San Diego, Calif. That tunnel was even equipped ...