The consignment, allegedly smuggled from Afghanistan via Iran, was declared as gypsum stone and talcum powder, an official from the Directorate of Revenue Intelligence (DRI) said.
Based on a tip off, the DRI team intercepted the Tanzanian passenger after he reached the airport by a flight from Johannesburg via Doha early on Monday.
Emma Coronel Aispuro, a 31-year-old former beauty queen, was arrested at Dulles International Airport in Virginia and is expected to appear in federal court in Washington.
