The Threat of Home-Grown Terrorists

U.S. government sends out a worldwide travel warning to Americans amid heighted concern over security.
1:23 | 01/10/15

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Transcript for The Threat of Home-Grown Terrorists
Across the world, there's still concern tonight. Other members of a cell. Another attack coming? The UK warning they could be next, stepping up security tonight. So many asking what about here at home. Let's turn to Pierre Thomas. Reporter: David, FBI and homeland security officials have just sent out a bulletin to 18,000 police agencies across the country, warning about the threat of home-grown radicals and the need to stay vigilant. The FBI has been routinely finding home-grown radicals in every part of this country. Look at these faces. These are people convicted of terrorism in the U.S. Who got inspiration from Anwar awlaki of Al Qaeda in Yemen. 50 cases from Tampa, Chicago, northern Virginia, Wichita, Kansas, many busted in FBI stings. Right now, there's an urgent threat of Isis, that group known for beheading. Tonight, there's a loft worry about everything right here at home and the U.S. Government has just set out a warning for Americans traveling abroad to be on guard. Thank you. One more image on this tonight. That # jesuischarlie tweeted

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