Feb. 7 (UPI) -- Investigators towed a vehicle and searched Nancy Guthrie's Tucson, Ariz., home and property and are seeking a vehicle of interest seven days after she went missing.
Investigators searched her home and property on Friday and towed a car that was parked near it, but they still have no suspects.
Instead, they have a vehicle of interest and obtained video footage of the vehicle and possibly one or more occupants that was recorded by a surveillance camera at an Arizona Circle K.
Digital billboards in Texas, New Mexico and California are assisting with the hunt for information that might lead to Guthrie's recovery or identify her potential kidnappers.
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