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Alleged Trafficker Extradited and Arraigned Over 1,744‑Foot TijuanaOtay Mesa Tunnel

His arraignment moves a long-running, cross-border probe into federal court, signaling heightened U.S.-Mexico enforcement cooperation.

Overview

  • Genaro Lopez was extradited from Mexico and arraigned in federal court on federal conspiracy charges tied to the tunnel; he pleaded not guilty and is being held without bond with a motion hearing and trial-setting scheduled for August 14.
  • Prosecutors say the tunnel ran about 1,744 feet, reached roughly 61 feet deep, and had reinforced walls, a rail system, electricity and ventilation, features that investigators say point to an engineered smuggling route rather than ad hoc digging.
  • Investigators seized massive shipments linked to the network, including nearly 800 kilograms of cocaine, about 74.8 kilograms of methamphetamine and 1.6 kilograms of fentanyl from a 2022 stash house stop, and 241 kilograms of cocaine plus multiple firearms in a July 2021 Chula Vista raid.
  • Six people were arrested in the tunnel probe with five co-defendants pleading guilty and receiving sentences while one defendant remains a fugitive, a fact that shows parts of the network are still being resolved by law enforcement.
  • The case could carry life sentences if convictions are secured and will test cross-border cooperation and federal evidence gathered from the tunnel, with the August hearing likely to shape the timing and scope of a possible trial.