Abdulmutallab, who had a multiple entry visa to the United States, was charged Saturday in a federal criminal complaint.

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AbdulMutallab, a Nigerian who had a multiple-entry visa to the United States, had been added to a watch list of 550, 000 potential terrorist threats.

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AbdulMutallab, a Nigerian who had a multiple-entry visa to the United States, had been added to a watch list of 550, 000 potential terrorist threats after the information provided by his father was forwarded to the National Counter-Terrorism Center, a senior administration official said.

CNN: STORY HIGHLIGHTS

The tale of Mr Abdulmutallab, who had a multiple-entry visa to America, will feed the fear that al-Qaeda is trying to use militants with easy access to the West.

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The visa was a standard multiple-entry tourist visa good for two years.

CNN: STORY HIGHLIGHTS

He applied for a multiple-entry U.S. visa on June 12, 2008, and received it June 16, 2008.

CNN: STORY HIGHLIGHTS

AbdulMutallab had a multiple-entry U.S. visa.

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Abdulmutallab was granted a multiple-year, multiple-entry tourist visa at the U.S. Embassy in London in June 2008, the administration official said.

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On May 24th the two countries are expected to ease a tight visa regime, allowing multiple-entry visas and access beyond each country's three largest cities.

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However, the State Department remained unaware that AbdulMutallab had the multiple-entry visa until after he allegedly tried to blow up the airplane more than a month later, the officials said.

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