Nancy Guthrie Update: The Truth About Where the Case Really Stands

More than a month into the disappearance of Nancy Guthrie, no suspects have been named. Two men were briefly detained for questioning and released within 24 hours. The FBI has shifted its command post from Tucson to Phoenix. And last Tuesday, Savannah Guthrie released an emotional video acknowledging that her mother "may already be gone."

To many following the case, it has the appearance of an investigation running out of road. Law enforcement even reportedly told TMZ this was becoming a...