DNA evidence recovered from Nancy Guthrie's home is being rushed to the FBI's elite lab for cutting-edge analysis following earlier testing at a private lab, Wonderwall.com can report. The move comes two and a half months after the 84-year-old was taken from her Arizona home in the dead of night. Now, hair, a bedsheet clipping and other key samples have been sent to the bureau's Quantico, Va., facility in a desperate bid to identify a suspect.