FBI Director Robert Mueller told Congress on Tuesday that people from countries with ties to al-Qaida have crossed into the United States from Mexico, using false identities. “We are concerned, Homeland Security is concerned about special interest aliens entering the United States,” Mueller said, using a term for people from countries where al-Qaida is known to be active. Under persistent questioning from Rep. John Culberson, R-Texas, Mueller said he was aware of one route that takes people to Brazil, where they assume false identities, and then to Mexico before crossing the U.S. border. Full Story