Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

TUCSON, Ariz. — A former FBI profiler says newly released video and forensic evidence in the Nancy Guthrie case could significantly narrow the search for a suspect and that the release of photos and videos may have "ramped up" the suspect’s stress.

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 84-year-old has gripped global attention in recent weeks, yet ...

Add Yahoo as a preferred source to see more of our stories on Google. Authorities on Tuesday released new surveillance images of a subject sought in the disappearance of Nancy Guthrie. Mary Ellen O'Toole, former senior FBI profiler, joins CBS News to ...

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 science program at George Mason University. Good morning ...