The Pima County sheriff wants Nancy Guthrie's neighbors to share videos of vehicles, traffic, people or anything else they find suspicious.

It wasn’t clear if the person being questioned was the person captured on surveillance video outside Guthrie’s house that was released earlier Tuesday.

The Pima County sheriff wants Nancy Guthrie's neighbors to share videos of vehicles, traffic, people or anything else they find suspicious.

Investigators announced finding DNA evidence in Nancy Guthrie's Tucson home that does not belong to her or anyone close to her, in addition to impounding an SUV.