The investigation into the disappearance of Nancy Guthrie is still running at full speed, a law enforcement source familiar with the investigation told CBS News.

Add Yahoo as a preferred source to see more of our stories on Google. The FBI is moving its command post to Phoenix as the Nancy Guthrie kidnapping investigation enters its 26th day with no arrest. An ...

Nancy Guthrie, 84, remains missing; no suspect identified after nearly one month. Police arrested man showing "weird" behavior repeatedly at Guthrie’s home memorial. FBI moved command center from ...

The FBI is moving its command post in the Nancy Guthrie investigation from Tucson, Arizona, to Phoenix, a law enforcement source familiar with the investigation told CBS News on Thursday. The ...