The Federal Bureau of Investigation and U.S. Department of Homeland Security are warning that a copycat terrorist attack ...

Law enforcement agencies across the country have been alerted to the potential for copycats who might try to mimic the attack ...

The FBI said Duhaime had superficial injuries to his arms, but no damage to his shirt sleeves. And when agents searched ...

An FBI official said Sunday that the man responsible ... and never connected to the accelerants placed in the other rooms. A neighbor called 911 when they smelled smoke and the New Orleans ...

The FBI released a statement to WMTV 15 News ... Anyone who sees him was urged to call 911. The police department is also asking anyone who may have information on if Thew is using a different ...

Atlanta police plan to shut down some bike lanes and roads, fortify streets with barriers and assign tactical teams to respond to any disturbances.

Here's a look at the Islamic State group, its current status, and some of the offshoot armed groups and so-called lone wolves that have killed under the Islamic State flag.

The New Year's attack in New Orleans marks the fourth mass killing linked to perpetrators inspired by ISIS The FBI confirmed ...

The FBI has identified the man as 42-year-old Shamsud ... in the area of this incident is urged to call 311 and not to call 911. The Federal Bureau of Investigations will be the lead agency ...