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

Rex Heuermann, who on Wednesday admitted to killing eight women, must cooperate with the FBI's behavioral analysis units as ...

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

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

Gilgo Beach serial killer Rex Heuermann admitted Wednesday that he strangled and dismembered eight sex workers then dumped ...

Nancy Guthrie, the mother of 84-year-old Today co-host Savannah Guthrie, has been missing for 10 weeks.

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

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

Gilgo Beach serial killer Rex Heuermann pleaded guilty to seven counts and admitted guilt in the death of an eighth woman.

A suspected serial killer linked to multiple Virginia murders from nearly four decades ago is accused of killing two women who were found slain along a state parkway in 1986, according to the FBI.

Nancy Guthrie’s kidnapping mystery has met with a chilling “retribution” theory. It has been several months since the sudden ...