SEE IT: FBI scours neighborhoods near Nancy Guthrie’s Arizona home

As investigators look to make strides in the case surrounding Nancy Guthrie’s disappearance, law enforcement officials were seen canvassing areas near her Tucson, Arizona, home in an attempt to find any clues leading to the missing 84-year-old. 

FBI officials cordoned off roughly seven miles of North Campbell Avenue – a main road that is located east of Nancy Guthrie’s Catalina Foothills home – on Wednesday to conduct an "extensive search" of the area. 

The search radius stretched...