re: #1 Killgore Trout

Turns out a local tipped the FBI off about him. From the NYTimes:

The official said agents began investigating Mohamud after receiving a tip from someone who was concerned about the teenager. The official declined to provide any more detail about the relationship between Mohamud and that source.

The FBI monitored Mohamud’s e-mail. They found that he was in e-mail contact with people overseas and was asking how he could travel to Pakistan and join the fight for jihad, according to an FBI affidavit.

Mohamud, a student at Oregon State University, e-mailed a friend living in Pakistan who had been a student in Oregon in 2007-2008, according to the official. The FBI’s affidavit says the friend in Pakistan referred him to another associate, but gave him an invalid e-mail address that Mohamud tried repeatedly to use unsuccessfully. The official said FBI agents saw that as an opportunity and e-mailed Mohamud in response, claiming to be associates of his friend, the former student.