The amount of cocaine seized by authorities increased from 58 kilos in 1980 to 8,000 kilos in 1991. While, in many instances, the drug was hidden among goods shipped by air cargo, there has also been a significant increase in the use of ships specially contracted for the shipment of hydrochlorate of cocaine. Much of the cocaine smuggled into Spain is conducted through the large Latin American expatriate community. Cocaine is also transported by land, primarily by Turkish and Lebanese organizations that bring drugs into Western Europe by way of the Balkans, usually by heavy transport, hidden among other cargo that is exempt from customs inspections. In Spain, the Civil Guard is responsible for preventing and suppressing smuggling, protecting the points of entry, and maintaining fiscal vigilance through the customs' offices. New technologies used to detect drugs are being developed; a special working group addresses this issue within the European community.