Security video from Nancy Guthrie’s home offers potential clues for investigators

By Jon Schuppe and Rich Schapiro After an excruciating 10 days without much to go on, authorities looking for Nancy Guthrie finally have a potential big break: video of an armed, masked person at her doorstep the morning she went missing. The black-and-white video captured by Guthrie’s doorbell camera, which the FBI and the Pima County, Arizona, Sheriff’s Department shared Tuesday, […]