How did the government fight terrorism on the home front?

The case was finally broken open in the summer of 2002. Confronted with evidence obtained through electronic surveillance and other means, the six admitted that they had gone to Afghanistan the previous year and pleaded guilty to training with a terrorist organization. The successful investigation demonstrated the value of sharing government intelligence with law enforcement officials. But even that information could not reveal why the six had gone halfway around the world.

an ethnic enclave is a geographic area with high ethnic concentration,

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