Investigators search Nancy Guthrie's backyard in Tucson

Exactly one week after Nancy Guthrie was first reported missing, Pima County Sheriff's deputies and their investigators were back out at Nancy's home, this time searching in the area behind her home. We saw investigators take a long pole and appear to search what may have been a septic tank. Investigators staying at the property for a little less than an hour searching but eventually leaving empty-handed. Pima County Sheriff's Department says

but eventually leaving empty-handed. Pima County Sheriff's Department says they will continue to search multiple locations until they find an answer.