bugged a thumb drive he used to send messages including the wife s list. reporter: transmitter would be placed in the program that could send a message so he could be located. reporter: communications sent in september, and al-awlaki was killed september 30th last year. the u.s. was using a variety of efforts to track al awlaki. and the cia would not comment on the alleged role of the danish spy. brian ross, abc new, new york. snoop well, the shopping list foiled in the whole plot. my goodness. still to come, she survived double elimination on last night s dancing with the stars, but is bristol palin dancing with danger? how her appearance on the show has taken a pretty serious turn. first, an important warning about a product that you may have in your home that could start fires. you are watching world news now. announcer: world news now continues after this from our abc stations. atchúd
newspaper, morten storm, a danish convert to islam, says he went to yemen and worked with the cia to help track and kill al awlaki. he was a terrorist. he wanted to kill innocent people. reporter: storm was part of a radical islamic group in europe. this was him in 05 at an anti-u.s. rally that made news in london. six months later, he says, he had been recruited by danish intelligence for his dangerous role. if al qaeda had come to the conclusion that he was spying for the danes and the cia, they would have killed him immediately. reporter: in fact, like popular homeland tv show, agents use high-tech devices to track their targets. start with the encrypted files. really, it s important. reporter: in the case of al awlaki, they bugged a thumb drive he used to send messages including the wife s list. reporter: transmitter would be placed in the program that could send a message so he could be located. reporter: communications sent