A discussion of civil war in Yemen -- what could become one of the world's most dangerous conflicts.
Officials Discover Drug-Smuggling Tunnel Across Nogales Border
Border Patrol agents in southern
“They were in the drainage tunnel and they had seen some disturbed dirt,” Ballistera said. “What had appeared to be dirt that was different from the dirt in the surrounding area.”
Ballistera says the tunnel extended only about seven feet into