On Twitter and Instagram he looks like a normal guy, but the FBI says Ryan Chamberlain should be considered armed and dangerous.
Ibrahim al-Asiri, the chief bomb-maker of al-Qaeda in the Arabian Peninsula, has been all over the news this week. Why are we so concerned about him, and why now?
Authorities arrested a man after he was spotted on the University of Washington in a stolen truck carrying multiple explosives.
Panasenko was charged with carrying home made explosives on a NJ Transit train, but insists that they were just fireworks.