 Through the wiretaps set up in Rio, DEA agents learned about a large shipment of fertilizer passing through Hong Kong.They informed authorities in Hong Kong, who searched the warehouse, finding 24 tons of ammonium nitrate fertilizer, enough to create an explosive ten times the size of the one used in the Oklahoma City bombing.The office of a Le Roux-owned company in Hong Kong and the apartment of its manager were searched on April 30, providing clues to further parts of the organization.