Nancy Guthrie disappearance: Sheriff provides update

Authorities provided an update on the investigation into the disappearance of Nancy Guthrie, Savannah Guthrie’s mom. Pima County Sheriff Nanos says they’re treating the investigation as if Nancy is still alive. He also confirmed that the blood found on the porch is Nancy Guthrie’s. Officials say there are no suspects or person(s) of interest at this time.