Tucson Residents Urged to Help Locate Missing Woman
Nancy Guthrie disappeared from Tucson, Arizona, on Feb 1.
Case is suspected abduction based on doorbell footage.
Family received multiple ransom notes, two deemed legitimate.
Pima County Sheriff's Department has 20-24-person task force.
Savannah spoke about her purpose during interview with Hoda Kotb.
Craig Melvin expressed eagerness to welcome Savannah back.
2 weeks ago