The renewed search activity was spotted in the Catalina Foothills neighbourhood where the 84-year-old Nancy Guthrie, mother of Today co-anchor Savannah Guthrie, was abducted from her home. The Nancy Guthrie investigation has produced no publicly named suspect and continues to hinge on fragmentary clues and a landscape that, quite literally, has been reshaped. Monsoon Rains and a 'Big Blender' Effect in the Nancy Guthrie InvestigationA key development in the Nancy Guthrie investigation is the suggestion that Arizona's monsoon season may have literally moved the crime scene. Online Theories and Tensions Around the Nancy Guthrie InvestigationAlongside the official work, the Nancy Guthrie investigation has inevitably attracted online sleuths and self-styled investigators. Ransom Notes, Surveillance and a Case That Is 'Not Cold'Behind the noise, the official Nancy Guthrie investigation is still moving, if slowly.