The FBI is returning counterterrorism agents who were ordered to focus on immigration cases back to their old jobs because of concern about potential threats from Iran, four people with direct ...

FIRST ON FOX: A high-ranking source is downplaying recent reporting about internal tensions between the FBI and the National Counterterrorism Center (NCTC) over files connected to the assassination of ...

The FBI confirmed it has tapped a career agent to serve as the deputy director of the bureau following the departure of Dan ...

A senior FBI official sparked sharp exchanges on Capitol Hill after calling the anti-fascist movement antifa the nation’s most serious domestic terrorism threat, while offering few specifics about the ...

**November 4 Update: Federal authorities charged Mohmed Ali and Majed Mahmoud, both 20, with terrorism-related offenses Monday, November 3, in relation to the alleged attack planned for Halloween ...

Joseph Mahmoud Dibee, one of two remaining fugitives linked to a domestic terrorism group that carried out dozens of criminal acts in the late 1990s, ranging from vandalism to arson, has been ...

The FBI confirmed that it has picked the head of the bureau's New York Field Office, Christopher Raia, as deputy director, ...