Article continues below advertisementNancy Guthrie's neighbor reported suspicious activity on their street just days before she disappeared.Brett McIntire, who lives across the street from Savannah Guthrie's missing mother, revealed in a new interview that he recently called the police after noticing an unmarked van parked on their street.Article continues below advertisementSource: @savannahguthrie/instagramThe man who lives across from Nancy Guthrie saw an unmarked white van parked on their street days before she went missing."It was somewhere on that street.