FBI Director Robert Mueller said last week that the FBI has uncovered small groups of Al Qaida terrorists in the United States, although he declined to provide details.

In House Judiciary Committee testimony, Mueller was asked about cells of Al Qaida in the country.

“And every opportunity I have, I reaffirm the fact that 99.9 percent of Muslim-Americans or Sikh-Americans, Arab-Americans are every bit as patriotic as anybody else in this room, and that many of our cases are a result of the cooperation from the Muslim community in the United States,” Mueller said.

The FBI has been stepping up intelligence-gathering activities in the United States aimed at providing intelligence that would stop a terrorist attack in advance, but U.S. officials said the intelligence program is still in its early stages.

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