FBI linguist Daniela Greene was assigned to investigate one of ISIS's most dangerous recruiters. Instead, she secretly fell ...

FBI arrests three men in Kansas and California who allegedly conspired to provide material support to ISIS and funded drone attacks on U.S. troops.

An 18-year-old is accused of planning an ISIS-inspired attack at a fast food restaurant and grocery store in North Carolina.

Three U.S. citizens, including two California residents, have been arrested by the FBI in connection with an alleged plot to support ISIS.