A retired FBI agent hailed as one of the "pioneers" of contemporary criminal profiling has offered insights into the possible "personality" of Nancy Guthrie's abductor. The disappearance of the ...

Add Yahoo as a preferred source to see more of our stories on Google. Newly released video from the morning Nancy Guthrie disappeared is renewing calls for leads in the search for "Today" show co-host ...

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

Twelve days into the investigation into the disappearance of Savannah Guthrie’s mother Nancy Guthrie authorities have yet to identify a suspect or even a person of interest, but a former FBI profiler ...

OK. We're now joined by former FBI agent and FBI profiler Mary Ellen O'Toole. She worked in the agency's Behavior (ph) Analysis Unit for more than a decade and is now the director of the forensic ...

EDITOR’S NOTE: This article contains graphic descriptions of homicide and assault. Please read with care. A month after Lyle and Erik Menendez were arrested for brutally slaying their parents inside ...

Next let's get a glimpse of what might be going on right now inside the FBI as agents there piece together clues to try to figure out who might have sent these pipe bombs. Mary Ellen O'Toole worked as ...

12-person jury selected in murder trial for Kouri Richins The jury has been selected in the upcoming murder trial of Kouri Richins after a quick two-day selection period.TwelveJudge Richard Mrazik and ...