SNIPPET: "In recent years, U.S. concerns have increased over activities of Hezbollah and the Sunni Muslim Palestinian group Hamas (Islamic Resistance Movement) in the tri-border area (TBA) of Argentina, Brazil, and Paraguay, which has a large Muslim population. The TBA has long been used for arms and drug trafficking, contraband smuggling, document and currency fraud, money laundering, and the manufacture and movement of pirated goods." SNIPPET: "This article is an edited portion of a longer January 25, 2010 CRS report, Latin America: Terrorism Issues (PDF) prepared by Mark P. Sullivan, Specialist in Latin American Affairs for the Congressional Research Service...