al-awlaki helped launch terror plots against the united states from yemen. they include the failed underwear bombing, the first one. the fort hood massacre and the botched times square car bombing. of course, that was before al awlaki got droned. the u.s. border patrol is changing its tactics, too. wait until you hear this. the agency is now planning to focus more on people who keep trying to get across the border. repeat offenders. and officials say they re also going to rely much more heavily on, all together now, drones to catch illegal immigrants and stop drug trafficking. right now the border patrol has nine predator drones they report in different locations. officials plan to nearly triple that number they say in the next few years. they say eventually they will be able to put a drone anywhere in the country within three hours. trace gallagher tracking developments from our west coast news hub. explain the change in strategy here, trace. well, instead of building more fences, s