site.news_by_theme FBI

A Chechen man shot dead by the FBI during questioning on his links to the Boston Marathon bombers was unarmed.

A friend of Tamerlan Tsarnaev implicated himself and the Boston bombing suspect in an unsolved triple homicide before FBI agents killed him in a violent altercation Wednesday.

A woman who killed a police officer 40 years ago and later fled to Cuba has been placed on the FBI's list of "most wanted terrorists".

US authorities on Wednesday released pictures of three men it said were present during the September 11, 2012 attack on the US mission in eastern Libya, saying it wanted to question them.

Three 19-year-old friends of one of the alleged Boston bombers were charged Wednesday with trying to cover his tracks by throwing out fireworks and a laptop and then lying to US police.

Investigators are pursuing other "persons of interest" who may be linked to the deadly bombings at the Boston Marathon.

The brothers accused of staging the Boston Marathon bombings planned to detonate more explosives in Times Square as they were being hunted by police.

Both the CIA and the FBI flagged the deceased Boston bombing suspect over possible terror ties, but he slipped through the fingers of investigators.

US lawmakers learned Tuesday that security monitors "pinged" when a Boston bombing suspect flew to Russia last year, as concerns grew about possible intelligence sharing failures.

A trail of blood led to accused Boston Marathon bomber Dzhokhar Tsarnaev as he hid inside a boat after eluding one of the biggest manhunts ever staged in the United States.

The FBI released pictures and video on Thursday of two men suspected of planting the Boston marathon bombs, appealing for help to identify the pair who were carrying large backpacks.

A letter addressed to President Barack Obama tested positive for ricin, and authorities arrested a suspect, stoking alarm in Washington on Wednesday after an earlier scare over poisoned mail.

There have so far been no claims of responsibility for the deadly Boston bombings, and investigators are considering a wide range of suspects.

Google says the FBI is monitoring the Web for potential terrorist activity. But it can't confirm the extent of the surveillance.

The FBI is examining possible insider trading in Heinz shares ahead of last week's buyout announcement, after US regulators identified suspicious trades from a Swiss account.

Guantanamo's top security official said Wednesday that intelligence agents had bugged rooms where the accused 9/11 plotters meet with their lawyers, despite a ban on eavesdropping.

The FBI suspected that US-born Al-Qaeda cleric Anwar al-Awlaqi, killed in a 2011 drone strike in Yemen, could have bought air tickets for three of the 9/11 hijackers before the attacks.

The FBI is appealing for information about the travels of a suspected serial killer believed to have murdered up to 15 people over more than a decade, after his suicide in jail last weekend.

President Barack Obama backed the commander of US forces in Afghanistan on Tuesday after the top general was dragged into the sex scandal that brought down CIA director David Petraeus.

FBI agents searched the home of the woman at the center of a sex scandal behind David Petraeus's decision to step down as head of the Central Intelligence Agency.
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