The Insane Clown Posse hip-hop duo has filed a lawsuit against the FBI after the agency classified their followers as a gang.
FBI director James Comey said on Thursday that the bureau would dispatch several dozen agents to Russia to help tighten security at the Winter Olympics.
The gunman who slaughtered 12 people last week in Washington is seen darting through a Navy building like a special forces operator in a chilling video released by the FBI on Wednesday.
A single-page FBI memo to J Edgar Hoover in 1950 has become the most popular file in the bureau's electronic reading room and offers some strange details.
Investigators are seeking to locate and talk to at least two men pictured in images taken before two bombs exploded near the finish line of the Boston Marathon, law enforcement and national security...
Tamerlan Tsarnaev's citizenship refused after a routine background check revealed he had been interviewed by the FBI.
With one suspect dead and the other captured and lying grievously wounded in a hospital, the investigation into the Boston Marathon bombings turned Saturday to questions about the men’s motives, and...
Eric Schmitt With one suspect dead and the other captured and lying grievously wounded in a hospital, the investigation into the Boston Marathon bombings turned to questions about the motives, and to the...
Michael Schmidt FBI shouldn't be able to investigate its shooting of a Boston bombing suspect, say civil libertarians.
Police want answers from the seriously wounded surviving Boston bombing suspect, amid reports he is responding in writing because of throat injuries.
Phil Mattingly Law enforcement authorities rescued 105 children and arrested 150 pimps and other people in the largest child sex-trafficking crackdown in US history, the FBI said.
An FBI agent has fatally shot a Florida man who allegedly had ties to one of the Boston bombings suspects, US media reported.
Phil Mattingly Washington: The Arab Spring uprisings have created a new breed of violent extremists that will threaten the US and its citizens abroad for years to come, FBI director Robert Mueller said.
A Chechen man shot dead by the FBI during questioning on his links to the Boston Marathon bombers was unarmed, The Washington Post reports.
The father of a Chechen man shot dead by the FBI during questioning about his links to the Boston Marathon bombers says he wants the agents tried for "executing" his son.
Phil Mattingly The FBI employs drones in domestic surveillance operations, Director Robert Mueller revealed, but said they were used in a "very, very minimal way."
Megan Levy An Alabama man who held a five-year-old boy captive in an underground bunker for nearly a week engaged in a "firefight" with SWAT agents before he was killed during a rescue operation, the FBI says.
Tom Hays NEW YORK: A Bangladeshi man who allegedly travelled to the US to wage jihad has been arrested in an FBI sting after trying to blow up what he thought was a car bomb outside the Federal Reserve...
Scott Shane WASHINGTON: The US Senate intelligence committee will investigate why the FBI failed to notify the White House and Congress when it discovered that the ex-CIA director David Petraeus was involved in...
Richard Serrano and Ellen Jean Hirst FBI agents arrested two US citizens - one at the airport in Atlanta, the other at a bus terminal in Augusta, Georgia - who they said were about to leave for North Africa ''to prepare to wage violent...