I don't think I noted this when it appeared on March 30, 2006, so here it is:

FBI Director Robert Mueller said this week that his agency busted a smuggling ring organized by the terrorist group Hezbollah that had operatives cross the Mexican border to carry out possible terrorist attacks inside the U.S...

...Mueller admitted that Hezbollah had succeeded in smuggling some of its operatives across the border, telling the House committee: "That was an organization that we dismantled and identified those persons who had been smuggled in. And they have been addressed as well."

This may or may not be the same group as that mentioned here.