TRACKING TERRORIST SUSPECTS ON U.S. SOIL
Even before last week's evidence that al-Qaeda was stalking new targets in America, law- enforcement officials had uncovered many suspected jihadist plots in the U.S.

PEORIA COUNTY SHERIFF'S OFFICE / GETTY IMAGES
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PEIORIA
ALI S.K. AL-MARRI
The Qatari student was arrested at his home in Peoria in December 2001 on suspicion of being a sleeper agent. He was declared an enemy combatant in 2003, and is being held without charge in a naval brig.
FROM THE AUG. 16, 2004 ISSUE OF TIME MAGAZINE; POSTED SUNDAY, AUG. 8, 2004

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