New Delhi, Feb. 17 -- Officials in Arizona have said that they are not treating any family members of Nancy Guthrie, the mother of "Today" show co-host Savannah Guthrie, as suspects in the disappearance of the 84-year-old woman. In a statement on social media, the Pima County Sheriff's office said the family has been cooperative in the investigations.

"The family has been nothing but cooperative and gracious and are victims in this case," Pima County Sheriff Chris Nanos said, adding that "To suggest otherwise is not only wrong, it is cruel. The Guthrie family are victims plain and simple."

84-year-old Guthrie reported as missing on February 1, and her children, including Savannah and her two siblings, Annie and Camron, have made repeate...