2 Alleged Homegrown Terrorists Arrested in Queens

The FBI had been investigating the two, ages 28 and 31, by posing as like-minded radicals.
1:58 | 04/03/15

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Transcript for 2 Alleged Homegrown Terrorists Arrested in Queens
We'll turn to that terror scare in New York City. Two women arrested. Pierre Thomas tracking the case and, Pierre, officials believe this is one of those homegrown threats inspired by Isis. Reporter: Good morning, George. Yes, they do and the charges portray the female suspects as mad scientists collecting bomb parts in their homes and researching the chemistry of explosives often over breakfast. Two American women, one time roommates accused of plotting in this queens neighborhood to make powerful bombs. Noelle velentzas and Asia Siddiqui portrayed in court Thursday as disciples of Isis and Al Qaeda, their neighbors shocked. It's incredible. Reporter: But the FBI had been secretly investigating the two ages 28 and 31 for months posing as like-minded radicals. Authorities say what they found was chilling. Women deeply committed to their cause. One suspect accused of embracing Isis videos depicting the beheading of victims. The other accused of studying the deadly craft of bombmaking online. Including how to make the same type of explosive device used in the Boston marathon attack. They had allege lid collected four propane tanks to boost the power of their bomb and had even researched the massive Oklahoma City and 1993 world trade center explosives. They had equipment, they were age to learn the basics of bombmaking online, so even though it wasn't sophisticated it's still quite deadly. Reporter: If these women represent the new generation of alleged homegrown radicals authorities also announced a third arrest Thursday. They claim he had been plotting to kill U.S. Soldiers in Afghanistan since 2007. He is the kind of suspected radical Al Qaeda covets most. A U.S. Citizen. The FBI director recently warned he had terrorism investigations in all 50 states. The evidence is mounting. We're in a dangerous high tempo season. We want to get to that other

This transcript has been automatically generated and may not be 100% accurate.

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