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 ...

The FBI and a young sextortion victim launched an ambitious public campaign Tuesday to find hundreds more potential victims of a Florida man who's already been sentenced to 105 years behind bars.

Rex Heuermann, the man known as the Gilgo Beach killer, admitted to killing eight women over a span of decades, and the FBI is now looking into what motivated the 62-year-old to carry out his crimes ...

An FBI supervisor detailed to the U.S. intelligence community is facing two federal charges, accused of transferring nearly a ...

The FBI today released new identifying details about the suspect in Nancy Guthrie’s disappearance after a forensic analysis of doorbell camera footage. The suspect is described as a male, 5’9" to 5’10 ...

The FBI said this week that it is investigating “suspicious activities” on an internal system that contains sensitive information related to surveillance operations and investigations. The bureau is ...

The FBI is still evaluating some ransom notes relating to the February disappearance of Nancy Guthrie as potentially “legitimate,” while others have been discounted as “extortion attempts,” the agency ...

The Irvine teenager whose science experiment started a federal investigation and a hazardous materials response a few months ago is once again at the center of an FBI investigation, the teen’s family ...

All three kidnapping-related messages relating to the disappearance of Nancy Guthrie have been deemed by federal investigators to be fake.