During the Cold War era, the CIA was the only U.S. spy agency. But as threats to national security have become more diverse, other government agencies — such as the FBI and the DEA — are recruiting foreign informants and pursuing their own intelligence leads. And that's causing competition and conflict.
In the first of an occasional series on the changing world of intelligence, NPR's Tom Gjelten reports on how the intelligence community is trying to reorganize.
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