Authorities appeal for help from public in search for Nancy Guthrie

We're joined now by our national law enforcement and intelligence correspondent Tom Winter. Tom, again, noteworthy that the FBI uh now involved, the FBI saying it's doing everything in its part u everything in its power rather to bring Nancy Guthrie home. What does the FBI's involvement look like? What does that mean for the investigation moving forward? >> Yeah, sure. So, the FBI's involvement here, they're involved on the technical side. was also encouraged to hear that they're involved on the interview s ...