Article continues below advertisementA damaged utility box may hold a key clue in the disappearance of Nancy Guthrie, the mother of Today host Savannah Guthrie, as investigators continue searching for answers five weeks after she vanished.The vandalized box was discovered near Nancy's home in the Catalina Foothills, located in Pima County. Authorities are now investigating whether the damage could have disrupted internet service in the neighborhood, possibly interfering with security cameras.