Exclusive: Drug Smugglers Dig Record Number of Tunnels in 2007

Nineteen tunnels were discovered beneath the United States southwest border in 2007, surpassing a record of 17 set in 2006, federal authorities reported today. Seventy-three tunnels -- ranging from crude to sophisticated -- have been discovered since 1990, half of those since the Sept. 11, 2001 attacks, the Department of Homeland Security reported in an intelligence assessment released today. None of the tunneling discovered was attributed to terrorists, but the enhanced security of overland...Full Story