Heuermann admitted to being the violent serial killer who brutally murdered eight young women in a spree that likely began in ...

Rex Heuermann agreed to talk to behavioral analysts at the F.B.I. when he pleaded guilty. The unit has interviewed Ted Bundy, ...

'Today' co-anchor Savannah Guthrie's mother, 84, is still missing with no named suspects after her Tucson, Ariz., abduction.

As expected, accused Long Island Serial Killer Rex Heuermann amended his not guilty plea inside a Riverhead courtroom, ...

Long Island’s most notorious serial killer will help the FBI figure out what makes his sick mind tick — part of his chilling ...

Gilgo Beach killer Rex Heuermann will be evaluated by the FBI's Behavioral Analysis Unit after admitting to the murders of ...

The Behavioral Analysis Unit was established in 1972 to consult experts on "different, unusual or bizarre cases." ...

What drives a serial killer — and how did Rex Heuermann go undetected for so long? After pleading guilty to multiple murders ...

Using research conducted by the FBI’s Behavioral Analysis Unit (BAU) and other sources, Part 1 of this three-part series discussed common deception strategies school shooters have used to evade ...

Using research conducted by the FBI’s Behavioral Analysis Unit (BAU) and other sources, Part 1 of this three-part series discussed common deception strategies school shooters have used to evade ...