into our communities to recruit, radicalize, as well as the to target our citizens. all in a simple easy way, easy to use way. >> reporter: on april 10th in a private message intercepted by the u.s. cnn is told, simpson discuss hod uh to get to syria. bring your passport. if you have $4,000. enough to travel with he wrote. hours before at take. sichl sim urged twitter follows the to follow a hacker who one source called a significant factor in isis. >> some one known as propagandaist, in isis, known for his hacking skills. who is targeted by the u.n. military. >> tonight we are learning more about the gunman's past. he was captain of the high school basketball team. his former lawyer remembers noticing how religious he seemed. >> he was a very devout muslim. i did get the sense that he was trying to convert. myself, myself. >> the second gunman, born to a