Correction to Aug. 14 stories on border-smuggling tunnels

WASHINGTON – A pair of Aug. 14 Cronkite News Service stories on the increasing sophistication of border smuggling tunnels, and the technology needed to build them, incorrectly stated the location of a tunnel found this summer in Yuma County. That tunnel came up in San Luis, Ariz. Updated versions of the stories Sophisticated Tunnels and Tunnel Tech reflect the correction.