Steve Lewis: Previously on Inside the FBI, we looked back at the investigation that led to the arrest of Ted Kaczynski, better known as the Unabomber—one of the nation’s most notorious domestic ...

The FBI is categorizing a new form of violent extremism targeting American youth as “modern-day terrorism,” with a ...

Internal report shared with Guardian shows FBI has launched cases in 23 regions, some linked to Trump memo on thwarting ‘terroristic activities’ ...

Attorney General Pam Bondi has ordered the FBI to broaden domestic terrorism investigations, expand the Digital Media Tipline ...

Four members of an anti-capitalist and anti-government group that calls for violence against U.S. officials have been ...

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 ...

CHICAGO (WLS) -- Nearly 25% of FBI agents are now working on immigration enforcement, according to numbers provided by the FBI to Sen. Mark Warner's office. But those numbers get even higher when ...

Michael German went undercover with white supremacists for a year and with right-wing militants for another eight months and now he wants to set some things straight. “One of the things I learned ...

A series of encrypted phone calls – secretly recorded by a confidential FBI source – tipped off federal agents that a group was allegedly planning to carry out a terrorist attack in Michigan on behalf ...

If you can cooperate with Westboro Baptist Church picketers, you can cooperate with anyone, think some FBI officials. The bureau invited the church's leaders--infamous for picketing soldiers' funerals ...

Yes, the agency once encouraged Martin Luther King Jr. to kill himself. No, undercover FBI agents did not incite violence ...