US-Mexican Border as a Terror Risk

"Recent intelligence gives the most evidence yet of terrorist plans. Lawmakers push for tighter security.

Concern is growing at the top levels of government about the US-Mexican border becoming a back door for terrorists entering the United States. While Al Qaeda infiltration across the nation's southern border has been a constant concern since 9/11, US officials cite recent intelligence giving the most definitive evidence yet that terrorists are planning to use it as an entry point - if they haven't already."