Agencies Tracked Al Qaeda by Phone A multi-national intelligence operation tracked al Qaeda terrorists for two years by a Swiss computer chip in their cell phones, according to U.S. and other officials. The chips are known as Subscriber Identity Modules, or SIM cards. NPR's Melissa Block talks with New York Times reporter Don Van Natta.
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Agencies Tracked Al Qaeda by Phone

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Agencies Tracked Al Qaeda by Phone

Agencies Tracked Al Qaeda by Phone

Agencies Tracked Al Qaeda by Phone

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  • <iframe src="https://www.npr.org/player/embed/1746426/1746427" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

A multi-national intelligence operation tracked al Qaeda terrorists for two years by a Swiss computer chip in their cell phones, according to U.S. and other officials. The chips are known as Subscriber Identity Modules, or SIM cards. NPR's Melissa Block talks with New York Times reporter Don Van Natta.