adviser. greene was assigned to the field detroit office and tasked with helping investigate a terrorist labeled individual a in court documents. cnn has learned individual "a" is the german greene was able to track the terrorist using three skype accounts, but it turns out the fbi knew of only two. greene had able to gain access and greene told her supervisor she was making a trip to germany to visit family. she threw from toronto into istanbul and into turkey and crossed the syrian border with the help of the terrorist and disappeared. there in isis-controlled syria, government prosecutors say danella greene met up with the isis terrorist and not only married him and told him she was employed by the fbi and that the fbi had an open investigation into his activities. professor alan grubb says any