and how, storm says, he helped lead that fatal missile to its target. >> anwar al-awlaki: as you sends your bombs, we will send you ours. >> logan: by the time of his death, anwar al-awlaki was at the top of the u.s. terrorist kill list. the muslim cleric had become notorious for his fiery internet sermons that incited attacks against america. >> awlaki: jihad against america is binding upon myself, just as it is binding on every other able muslim. >> logan: awlaki had plotted with the underwear bomber, umar abdulmutallab, and he inspired nidal hasan's shooting rampage at fort hood, texas, that left 13 dead. he had become the operational leader of al qaeda in yemen and was in the midst of planning more attacks. morten storm was one of the few people awlaki trusted. what he didn't know was that storm had become a double agent working for danish intelligence and their partners, the cia, who wanted awlaki dead. >> morten storm: at that moment now, anwar needed to die by any means. he needed to be stopped. that was... >> logan: even though he was your friend? >> storm: he... he was not my