TUCSON, Ariz. — The chances that Nancy Guthrie was brought across the southern border into Mexico remain low due to a number of factors, including the enhanced security measures being utilized by federal authorities there, one expert said.
The border wall near Nogales, Arizona, some 60 miles from Tucson, the city where Guthrie resides, is several feet high and lined with barbed wire fencing for miles well beyond the city in both directions, said retired NYPD Lt. Darrin Porcher…