This whole thing (even the same smirky, crazy eyed, gaze in the mug shot) reminds me of the Giffords shooting.
Those eyes tell me this guy was probably brainwashed by someone or even by himself, a med student can get all kinds of mood enchantment drugs, and with subliminal aids such as when he sleeps could have effectively brainwashed himself.
Though I believe he had a secret mentor, funder and tutor.
Much like Obama had.