At present unknown, but likely to be a domestic far-right group or individual.
If it was an Islamist group like al-Qaeda they would have claimed responsibility by now.
A Mossad agent.
The 9/11 conspiracy nutters will no doubt claim it was the CIA.
As of 15 minutes ago, no one has confessed and there are no suspects. According to CNN.
Who hates America south Korea it's could terrorist
Illuminati of course
no one knows yet, are you just trying to raise a debate
Really? You think Yahoo has the answer?
