Rex Heuermann agreed to be interviewed by the FBI's Behavioral Analysis Unit as part of his plea deal.

A former FBI agent who worked in behavioral analysis told Fox News Digital that he believes Savannah Guthrie's latest Instagram video was directed towards a suspect who could be an amateur criminal ...

The FBI's Behavioral Analysis Unit will add another notorious murderer to the list of high-profile criminals it has interviewed over the years — Gilgo Beach serial killer Rex Heuermann. An architect ...

The American Hospital Association (AHA), in collaboration with the FBI, has released a series of behavioral threat assessment and management (BTAM) resources developed in partnership with the FBI’s ...