Antofagasta prosecutors and Carabineros’ OS7 El Loa unit raided an eastern Calama property on 30 April 2026 after an investigation found marijuana and ketamine stockpiled for shipment toward central Chile.[1][2] Officers caught three Colombian men loading a sealed tanker truck and later arrested a Bolivian linked to the group.[1][2]

The agencies removed 4,695 kilograms of marijuana from the operation, which both described as the largest single drug seizure since Chile’s 2001 criminal procedure reform.[1][2] Prosecutors formalised all four for drug trafficking and secured preventive detention.[1][2]

Regional prosecutor Juan Castro Bekios said the case reflected transnational organised crime using elaborate concealment, and zone commander General Cristian Montre Soto said the load had been destined mainly for central and southern regions.[1][2]