Blood at the Front Door, Back Door Wide Open — Inside the Nancy Guthrie Crime Scene

The crime scene at Nancy Guthrie's Arizona home tells a story investigators are still trying to piece together. Blood at the front door. The back door left wide open. Multiple cameras smashed. And an 84-year-old woman who can't walk 50 yards on her own, gone without a trace.

Nancy Guthrie, mother of Today Show co-host Savannah Guthrie, was reported missing Sunday after she failed to show up for church. According to a law enforcement source speaking to journalist Ashley Banfield, the back door of her Catalina Foothills home was found wide open. When Banfield asked Sheriff Chris Nanos...