Pima County Sheriff Chris Nanos said a a dedicated homicide team was now working on the case involving the disappearance of Nancy Guthrie.

Pima County Sheriff Chris Nanos provides updates in the Nancy Guthrie investigation, including on the suspect's backpack and new surveillance video.

Pima County Sheriff Chris Nanos said a a dedicated homicide team was now working on the case involving the disappearance of Nancy Guthrie.