TRACKING POTENTIAL TERRORISTS is a difficult proposition, even in the highly controlled environment of U.S. penitentiaries, according to a report on extreme ideologies among inmates.
"Out of the Shadows: Getting Ahead of Prisoner Radicalization" sparked a Senate hearing that asked, "Are terrorist cells forming in U.S. cell blocks?"
The report, produced by the George Washington University's Homeland Security Policy Institute and the University of Virginia's Critical Incident Analysis Group, argued that a lack of resources and understanding of the problem in the U.S. penal system means no one knows for certain whether there are festering beds of radicalism that could …