Nancy Guthrie's disappearance from her Tucson home has taken on a darker and more specific shape, with former FBI agent Jennifer Coffindaffer suggesting the 84-year-old may have been the victim of a so-called 'wrench attack', a violent form of crypto extortion.
The theory, raised publicly in late May, concerns the mother of Today host Savannah Guthrie and the still-unsolved abduction investigators say happened in the Catalina Foothills area near Tucson on 1 February.
