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The hunt to track down ISIS executioner 'Jihadi John' is underway after another beheading video surfaces.
Pam Brown reports on federal law enforcement flying small planes loaded with gear to spy on Americans' cell phone calls.
How did three U.S. teenagers becoming radicalized? Pamela Brown reports.
Why was the Khorasan bomb-maker such an important target? CNN's Pamela Brown has the details.
Authorities stopped three Colorado teenage girls on their way to join ISIS in Iraq and Syria. Pamela Brown reports.
The New York Times says that Michael Brown's blood was on officer Darren Wilson's car, gun, and uniform. Pamela Brown reports.
The FBI is warning cops and journalists that they could be targets of lone wolf terrorist attacks. Pamela Brown reports.