FBI conducting ‘extensive search’ on roads near Nancy Guthrie home

Man who was detained released after several hours of questioning in connection to Guthrie's disappearance

The FBI announced on Wednesday that it was conducting an extensive search" along multiple roadways close to the Arizona home of Nancy Guthrie, the mother of Today show host Savannah Guthrie who has been missing for 10 days.

The development came after authorities released a man earlier in the day who was detained in a traffic stop following several hours of questioning in connection to the investigation", according to reports.